You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. How would you be able to find out if it would pass emissions? airjor13 2000 Post Club. Considering a catted DP for my MK6 but none are Carb legal. 9/5 (24 votes). It depends on how strict their testing is, but a lot of people have failed with aftermarket catted exhausts. Some will, some wont. Generally, an aftermarket downpipe will not pass a visual inspection at the smog shop. Will a Catless downpipe throw a code? Yes it will throw a code. High flow catted downpipes are typically more expensive than their catless counterparts and do not offer as much of a benefit. With catless downpipes, you can expect to gain between 10 and 20 wheel horsepower. 01-26-2013 01:52 PM:. Will high flow cats pass inspection? Nope it won’t pass. However, they are made of very fine honeycomb-like shapes – which increases backpressure significantly. Catless DP’s are less restrictive as they completely remove the cat from the downpipe. In general, a catted downpipe will help your car pass emissions if it is installed correctly and the cat is in good working condition. Does a Catted downpipe add horsepower?. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. Catless can work, but then you'll have a P420 CEL, which won't pass. Will it pass with the aftermarket cat? CrazedAntelope Joined Jul 12, 2015 Threads 3 Messages 252 Reaction score 70 Location San Jose, CA. Catless vs High-Flow Catted Downpipes. My downpipe was pretty new. Catted means that it comes with a high-flow catalytic converter. The Evolution Racewerks Competition Series Catless Downpipes is constructed from 304 stainless steel, featuring mandrel bent piping. A catless downpipe is technically illegal as it violated emissions laws. With MHD and JB4 all readiness is cleared except 1, which is allowed to pass the emissions test. Reactions: squiggy and Flippercon. 01-23-2009, 01:30 PM. Price: $269. Overall, if you are looking for the best power and spool catless downpipes are the way to go. eu Back. Myx Joined Mar 6, 2016 Threads 79 Messages 2,151 Reaction score 1,993 Location. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. The e85 will reduce c02's to an acceptable level that the other 2 cats can handle. your cat will suffer from the. Feb 18, 2009 · The main purpose is to reduce harmful gasses like nitrous oxide (causes acid rain), carbon monoxide (causes smog which is linked to lung problems), and unspent fuel (a pollutant). Its really hit or miss. eu Back. With the resistor, you'll never have a CEL for that code as the EGT is always 1200 degrees or so as the computer sees it. An aftermarket downpipe with catalytic converters will add 10 to 20 horsepower on average, and that gain is noticeable anytime the turbo spools. Yes, you can still get a downpipe + protune. With catless downpipes, you can expect to gain between 10 and 20 wheel horsepower. But you are not asking that, so in answer to your question, catted or not, you need two cats to pass the visual. With valves open it is loud, sets my neighbours car alarm off on cold starts, pops and burbles lots more on low speed deceleration and the turbo dump bark noise when you let off quickly is far louder and more frequent. Apr 25, 2017 · Anyone have an aftermarket catted downpipe installed and tried to pass smog with it? I'm considering buying one, but I don't wanna have to do the stock-parts-dance when I have to get my car smogged next time. If you want to be 100% above board, the answer is NO plane and simple. The addition of this flex section reduces tension on the turbocharger caused from torsion during hard acceleration, cornering, and braking. Can you pass emissions with a down pipe? In short, yes. Will a Catted downpipe pass inspection? Depends if there is a sniffer test or if you just have to pass OBD. Also, find an in thru the local Subaru community. If you have your OEM heatshields attached you will pass even with an aftermarket downpipe as long as you don't have a check engine light. 95 with cat. The CEL can be avoided with either a tune like JB4 and Cobb or with a DP Fix. You should probably ask the seller or do your research on that downpipe before you buy. Can you pass smog with catted downpipe. VRSF's catless downpipe for the N55 is the best bang for the buck option on the market at just over $250. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. These downpipes are not approved for street use in California, New York, or any other area that has adopted CARB emissions standards. With high-flow options, you will pass emissions testing and are in compliance with the law. However, in exchange for that power, catless downpipe is not legal and will not pass the emissions test. If not, you'll have a CEL. 50, which is a darn good price for quality stainless steel downpipes. Car is FBO too. 447 Posts. Long tube headers come with the option of catted or catless in most circumstances. Will a Catted downpipe pass emissions? No point in going catted. · If you want to test the O2 sensor, you can get rid of the cat and make a test pipe. If they ever wear out, you need to buy more factory originals. Inject new life into your 335i or 435i with a high-flow catted downpipe! Genuine 200-cell HJS catalyst instantly adds significant power, sound, and throttle response without triggering a check engine light! Fits all BMW F30/F32 335i & 435i vehicles. Jan 10, 2022 · Performance catted downpipes nowadays have been shown to increase horsepower. Also will a catted downpipe pass smog I live in cali. Continue Shopping. 20-30whp for catless or 10-15whp for catted high-flow; 25-35wtq for catless or 15-20wtq for catted high-flow. Oct 27, 2010 · If you live in an area that does advanced smog testing. I'm looking at getting the catted downpipe but wondering if the bottle neck will be any issue. On my 07 sti I passed with that same downpipe, headers, smog. As for the DP, it probably won't pass the sniffer, even catted, but the visual will really give it away (similar with the intake). Reactions: squiggy and Flippercon. Owners of vehicles six or less model years old will pay an annual smog abatement fee for the first six registration years instead of being required to provide a biennial smog certification. Downpipe, catted is fine and what I run. I'm looking at getting the catted downpipe but wondering if the bottle neck will be any issue. Louder exhaust sound. WHen the time comes to re-smogging, swap it back. If you have a catted exhaust system and a custome tune you might increase the chance you will pass. An aftermarket downpipe with catalytic converters will add 10 to 20 horsepower on average, and that gain is noticeable anytime the turbo spools. If you’ve noticed that your feline friend is sneezing more frequently than usual lately, you might be wondering why. Was smogging the daily beater the other day and got to talking with the manager of the smog place. Some say the catted down pipe will pass the OBD2 CA smog test, some say it won't. eu Back. 28 mar 2016. The CorkSport Advantage. You can use that intake no problem. My experience. eu Back. N55 Wagner Performance Downpipe with Cat - E82 135i, E9X 335i N55. So you have quite a while before you have to worry about it. Apr 13, 2019 · Joined May 7, 2018. Jun 1, 2012 · Joined Mar 27, 2012. The high-flow option runs $529 and again is one of the best values on the market. You could also get the Bosal downpipe that retains the third and final cat in the factory exhaust system. This is in PA. 8 paź 2006. At Advanced Smog Testing Facilities they test HC (Hydrocarbons) CO2 (Carbon Dioxide) and NOx (Nitrogen Oxide). High flow catted downpipes are typically more expensive than their catless counterparts and do not offer as much of a benefit. The exhaust gases from your car will be . With any newer OBD 2 car on sale in CA, the only CAT's that are approved, are the factory originals. So you have quite a while before you have to worry about it. google is your friend. If you get a catless version, then the vehicle will emit a noticeable odor. AEM makes an intake that is CARB approved, so it's smog approved. Jun 1, 2012 · Joined Mar 27, 2012. you could have a sniffer test, which you'd probably pass even without a cat (though that depends on the car), or you will have a visual inspection (or both), the visual you will fail if you don't have a cat. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. No it shouldn't matter if you're tuned to pass smog, as long as you have your cat and your car isn't displaying trouble codes. Obviously a decat will fail. Change tune as needed or just run the stage2 tune with the catted DP for the short time it takes. High flow catted downpipes are typically more expensive than their catless counterparts and do not offer as much of a benefit. So you have quite a while before you have to worry about it. Can you pass emissions with a down pipe? In short, yes. I just did this--swapped the downpipes--because of the visual. The high-flow option runs $529 and again is one of the best values on the market. Check out damnfastdd. Will a Catted downpipe pass emissions? No point in going catted. Save Share. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. Mine was with catted DP for the sale, I. Is this can good enough so my car can pass the smog test in California? 0 of 0 people found the following answer helpful. Overall, if you are looking for the best power and spool catless downpipes are the way to go. Downpipes are one of the easiest components to install on your car. @PRL Motorsports. Will it pass with the aftermarket cat? CrazedAntelope Joined Jul 12, 2015 Threads 3 Messages 252 Reaction score 70 Location San Jose, CA. The main purpose is to reduce harmful gasses like nitrous oxide (causes acid rain), carbon monoxide (causes smog which is linked to lung problems), and unspent fuel (a pollutant). you could have a sniffer test, which you'd probably pass even without a cat (though that depends on the car), or you will have a visual inspection (or both), the visual you will fail if you don't have a cat. With high-flow options, you will pass emissions testing and are in compliance with the law. The catalytic converter sensor readied when I had the stock downpipe installed, detuned, and drove just a few miles on the highway. Swapping out the downpipe is much harder. com App. · If the noise is over 95 decibels, exhaust modifications are not allowed. This piece is between the exhaust manifold and the turbo's hotside. pj Fiction Writing. The second is is the downpipe and the third is in the midpipe. However, in exchange for that power, catless downpipe is not legal and will not pass the emissions test. 5" tail pipes. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. 2002-2007 Subaru WRX, 2004-2007 Subaru WRX STI, and 2004-2008 Subaru Forester XT Catted Downpipe by GrimmSpeed A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. RPM Retail: $544. Catless downpipes remove the catalytic converters from your emissions system, which is a major part of your system. Just run a catted DP for the 6 years and if you don't pass, change it back to stock to pass. Thanks You'll need a spacer for the OBDII to read ready and trick the car into believing it has a cat and make sure your tune doesn't disable the sensor. 12 sty 2018. Will a Catted downpipe pass emissions? No point in going catted. Catless DP's are less restrictive as they completely remove the cat from the downpipe. A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. Will a Catted downpipe pass emissions? No point in going catted. Will a Catted downpipe pass smog? No, a typical aftermarket downpipe will not pass visual inspection at the Smog Shop. Take the top off of the airbox and remove the air filter. Depends on your state's emissions. It looks relatively stock, and will give you a performance boost. With valves open it is loud, sets my neighbours car alarm off on cold starts, pops and burbles lots more on low speed deceleration and the turbo dump bark noise when you let off quickly is far louder and more frequent. Jun 1, 2012 · Joined Mar 27, 2012. Performance catted downpipes nowadays have been shown to increase horsepower. You can use that intake no problem. Coming back to the shop in my "rollin' dirty" van, they had a portable roller dyno/smog station set up on my street and were pulling cars out of traffic to do emissions testing. Catless downpipes come without one. Does a Catted downpipe add horsepower?. @PRL Motorsports. 5 Things you NEED to know BEFORE buying a DOWNPIPE (F30 BMW, WRX, EVO, Supra, and any Turbo Car!). Will this pass smog?. AEM makes an intake that is CARB approved, so it's smog approved. You will fail all the emissions tests - whether it's visual, OBD2 or sniffer. Apr 13, 2019 · No catted downpipe will pass smog in Cali unless it's OEM. 2012 SI CBP,HPS intake tube,K&N drop in filter,Weathertech Digital fit mats,Yo speed sill protection,JDM Carbon Fiber cooling plate,JDM Carbon fiber engine cover,Continental Extreme Contact tires. Will an aftermarket Catted downpipe pass emissions? No point in going catted. Sent from AutoGuide. Want to install a downpipe on your B58 equipped BMW, but still need to pass emissions? Evolution Racewerks has the answer for you with their B58 Catted downpipe. If you are going to use a stage 2 ECU tune to go with the DP, then you would need to reflash back to stock. eu Back. I'm looking at getting the catted downpipe but wondering if the bottle neck will be any issue. Coming back to the shop in my "rollin' dirty" van, they had a portable roller dyno/smog station set up on my street and were pulling cars out of traffic to do emissions testing. In general, a catted downpipe will help your car pass emissions if it is installed correctly and the cat is in good working condition. However, they are made of very fine honeycomb-like shapes – which increases backpressure significantly. I recently smogged a guy who had cobb catted DP, and cobb catback, and OTS cobb stage 2 map (which is a pretty clean TBE) and his car was running too rich on higher RPM. Downpipe, catted is fine and what I run. From what other members have said on local FB groups it really depends on the SMOG Tech. 2002-2007 Subaru WRX, 2004-2007 Subaru WRX STI, and 2004-2008 Subaru Forester XT Catted Downpipe by GrimmSpeed A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. If you are planning to install a downpipe for your daily driver, then you should look for a catted downpipe instead. They should pass the sniffer just fine with proper tuning. Is a Catted downpipe worth it? Installing a catted downpipe with a tune can give you up to 40 horsepower and probably half that without a tune – about 20 horsepower. If not, you'll have a CEL. You don't even need to reflash the stock map. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. Is a Catted downpipe worth it? Installing a catted downpipe with a tune can give you up to 40 horsepower and probably half that without a tune – about 20 horsepower. 2002-2007 Subaru WRX, 2004-2007 Subaru WRX STI, and 2004-2008 Subaru Forester XT Catted Downpipe by GrimmSpeed A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. Catless vs High-Flow Catted Downpipes. Catless downpipe provides even more horsepower gain than catted downpipe. So you have quite a while before you have to worry about it. 5" and rest is 3". Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. I recently picked up the Invidia catted down pipe and Accessport to go with my Awe track catback exhaust and I installed the down pipe already waiting for the accessport to come in still. Continue Shopping. 5" and rest is 3". NOTE: Once you have added our downpipe to your vehicle, you must be tuned. I want to buy a catted downpipe, specifically the MAP REV2 for my 2017 WRX. If they do a visual (which places are suppose to do), you will fail in California. Although there are "fixes" that can hide the engine codes and trick emissions tests, generally, you will fail emissions tests with catless downpipes. The only thing you would have to do in order to get your car smogged would be to swap to the stock downpipe. Buy Here: N54 VRSF Catless/High-Flow Downpipes. I just did this--swapped the downpipes--because of the visual. also i think on newer cars, they plug obd2 and check for errors/sensors, sniffer test is for older cars. Does a Catted downpipe add horsepower?. High flow cats there's A DP that will pass , get a smog legal cat setup. My plan is the same as yours but I don't have to do my emissions test for a long ass time. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. In CA you only smog ever other year after 6 years. By no accident there will be the smell of raw fuel / unburnt hydrocarbons. Swapping out the downpipe is much harder. Feb 1, 2022 · Although, the biggest benefit of opting for high-flow catted downpipes is that your car will still pass emissions testing. Now if you are catless and the tech does a visual inspection, he could fail you. · Catless downpipe can help you gain 50 additional horsepower with tuning – this is slightly more than a regular catted downpipe. If your car has over 50,000 miles, then you can have whatever kind of cat and pipes you like, so long as it passes the sniffer test. Does a Catted downpipe add horsepower?. Apr 13, 2019 · Joined May 7, 2018. If your car has over 50,000 miles, then you can have whatever kind of cat and pipes you like, so long as it passes the sniffer test. Does a Catted downpipe add horsepower?. Remove the engine cover. . Reason being: Changing the Down Pipe which unlocks a lot of the power gains to be had, also houses your CAT's. Our customer service team often fields a certain call with a concern that “my car is running rich. Price: $269. Nov 13, 2007 · With that said, stick with your stocker, pass smog, and install an aftermarket unit. 219 Posts. Plug into the machine and it will tell the tech to rev the engine between a certain certain rpm. Or opt to connect to a 3" aftermarket exhaust system for a full 3" turbo-back setup. If you get a catless version, then the vehicle will emit a noticeable odor. Most good ones will recognize that it's catted, but there are others who simply don't want anything to do with it because it's modified. Price: $269. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. Search, lots of threads on it. Then change it back to the DP for another 2 years. Downpipe/Cat Pipe. Will Catted downpipe pass emissions?. Swapping out the downpipe is much harder. A highflow cat is not a guaranteed pass over catless (though it could possibly help). I bought a catted downpipe a few years back, and had to go this month for my emissions testing. Apr 25, 2017 · Anyone have an aftermarket catted downpipe installed and tried to pass smog with it? I'm considering buying one, but I don't wanna have to do the stock-parts-dance when I have to get my car smogged next time. In CA you only smog ever other year after 6 years. · Hi fellas. Is a Catted downpipe worth it? Installing a catted downpipe with a tune can give you up to 40 horsepower and probably half that without a tune – about 20 horsepower. With a cat-less downpipe, it is highly unlikely that a car will pass emissions testing even in states with lenient rules. #3 · Jun 1, 2012. Last Updated: February 15, 2022. If you want to be 100% above board, the answer is NO plane and simple. 9648, email us, or live chat for expert assistance. #12 · Mar 7, 2011. Continue Shopping. This is a pretty good boost of horsepower from just one performance mod. if you have a catless downpipe you can run E85 in your car and go theu emissions and . This is the GrimmSpeed Limited Catted Downpipe. Replacing these with our single high-flow unit will dramatically improve performance potential while maintaining the use of a catalytic converter. As long as ur not throwing a CEL, you should be fine. Reactions: squiggy and Flippercon. To pass that without removing the DP you would need a spacer for the secondary O2 sensor with an aftermarket DP. 2015 car, Nevada smog, for what it's worth. No, you don't need a tune with just a catted down-pipe either. Anyone have an aftermarket catted downpipe installed and tried to pass smog with it? I'm considering buying one, but I don't wanna have to do the stock-parts-dance when I have to get my car smogged next time. Catalytic converters clean exhaust gases as they pass through a catalyst. I highly doubt that most smog stations would look that close for a CARB sticker though. You have altered the factory provided number of cats. If they do a visual (which places are suppose to do), you will fail in California. Technically it is illegal, only meant for off-road use, if utilizing a catless header. It's also illegal for street-use. 28 kwi 2021. An aftermarket downpipe with catalytic converters will add 10 to 20 horsepower on average, and that gain is noticeable anytime the turbo spools. Replacing your factory catalytic converter sometimes causes a 'cat converter efficiency' check engine light. 5" catted H, 2. #3 · Jun 1, 2012. Reason being: Changing the Down Pipe which unlocks a lot of the power gains to be had, also houses your CAT's. Will it pass with the aftermarket cat? CrazedAntelope Joined Jul 12, 2015 Threads 3 Messages 252 Reaction score 70 Location San Jose, CA. My 2016 passed emissions at the time, then I added a tune, installed a CVF 3" catted downpipe, and a J-shaped spacer by Vibrant Performance, using the middle orifice insert, as mentioned elsewhere in this forum. The CorkSport Long Catted Downpipe: Replaces both the stock Downpipe and Racepipe sections. The fact is that no set of downpipes is 50-state legal for street use. The registration renewal notice mailed to you by the department will indicate if a smog certification is required. literotic stories, old naked grannys
My plan is the same as yours but I don't have to do my emissions test for a long ass time. . Can you pass smog with catted downpipe
No aftermarket downpipe is going to pass CO emissions. Apr 25, 2014 #5. I wondering if the grimmspeed downpipe catted if is smog legal in california? 0 of 0 people found the following answer helpful. You should keep in mind that California smog laws may still make your custom exhaust modifications illegal. On my 07 sti I passed with that same downpipe, headers, smog. I have a 100 cell sports cat that passes no problem, though it wasnt cheap. On my 07 sti I passed with that same downpipe, headers, smog. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. VRSF's catless downpipe for the N55 is the best bang for the buck option on the market at just over $250. 25" reducer to allow it to mate up perfectly to the stock exhaust system. 25" reducer to allow it to mate up perfectly to the stock exhaust system. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. 0 sold. @PRL Motorsports. All catless downpipes remove a major part of your emissions system, the catalytic converters. #6 · Apr 29, 2010 (Edited) I say just keep your stock downpipe. Check out our sound clip below of Zach's 335i with catless downpipes. greenville ms newspaper recent deaths in laurens county. smog checks are like tinting your windshield or not driving with a front license plate. I had a test pipe with OEM cat heatshields in my old s2000 and it passed CA emissions all the time. Speedette (a member here) just installed one and her car flashed a cat inefficiency CEL today. They are just looking for check engine lights from the ECU so you can be running any map. With MHD and JB4 all readiness is cleared except 1, which is allowed to pass the emissions test. It’s rolling the dice until you get caught. Can you pass emissions with a down pipe? In short, yes. you can pass emissions with a catless downpipe if you do it right . With my turbo spec v I was able to pass OBD2 inspection easily running completely catless due to Uprev having the ability to change the sensor threshholds. Which is what I'll do. This obviously depends on if you know what you're doing, following along to a tutorial, or you're performing a whole muffler delete. AEM makes an intake that is CARB approved, so it's smog approved. The only thing you would have to do in order to get your car smogged would be to swap to the stock downpipe. Price: $269. Jan 12, 2018 · Re: Cobb Catted Downpipe Smog FL4T. A typical aftermarket downpipe won’t pass visual inspection at the Smog Shop. This piece is between the exhaust manifold and the turbo's hotside. The CEL came on. Overall, if you are looking for the best power and spool catless downpipes are the way to go. Messages 2,751 Likes 426 Location Centreville. With catless downpipes, you can expect to gain between 10 and 20 wheel horsepower. Installing a catted downpipe with a tune can give you up to 40 horsepower and probably half that without a tune – about 20 horsepower. The quality of the high flow cat you pick will be the decider on whether it passes or not. Jul 25, 2018 · Discussion Starter · #11 · Jul 26, 2018. RPM Retail: $544. · Hi fellas. With valves open it is loud, sets my neighbours car alarm off on cold starts, pops and burbles lots more on low speed deceleration and the turbo dump bark noise when you let off quickly is far louder and more frequent. Last Updated: February 15, 2022. Aftermarket cats are junk and only a matter of time before you throw a cel and regret not going catless in the first place for more power. If you are planning to install a downpipe for your daily driver, then you should look for a catted downpipe instead. No aftermarket downpipe is going to pass CO emissions. You guys asked for a Downpipes video so here it is! We cover catted and Catless Downpipes plus the effect that both of them have when it comes to boost creep. Make more power while still passing emissions! Brand: ES#: 3570177 Mfg#: BMEXH018C Qty: Availability: Ships by Aug 4, 2022 Starting at $945. Reactions: squiggy and Flippercon. You could also get the Bosal downpipe that retains the third and final cat in the factory exhaust system. I just did this--swapped the downpipes--because of the visual. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. Mar 6, 2011 · Joined Apr 24, 2005. Swapping out the downpipe is much harder. Most cars that are lower in displacement can pass emissions when warmed up without any catalytic converter. Catless vs High-Flow Catted Downpipes. A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. It does this by causing a chemical reaction under which the exhaust of the car is chemically changed into "safer" gasses like Nitrogen, Oxygen, water, and Carbon Dioxide. Thanks You'll need a spacer for the OBDII to read ready and trick the car into believing it has a cat and make sure your tune doesn't disable the sensor. The catalytic converter sensor readied when I had the stock downpipe installed, detuned, and drove just a few miles on the highway. com Free App Learn something new all the time. Myx Joined Mar 6, 2016 Threads 79 Messages 2,151 Reaction score 1,993 Location. OBD code reading, Gas Cap testing, And visual Cat inspection. eu Back. AEM makes an intake that is CARB approved, so it's smog approved. Will a Catted downpipe pass emissions? No point in going catted. In CA you only smog ever other year after 6 years. My 2016 passed emissions at the time, then I added a tune, installed a CVF 3" catted downpipe, and a J-shaped spacer by Vibrant Performance, using the middle orifice insert, as mentioned elsewhere in this forum. It's running a stage 2 protune with Invidia turboback catted exhaust and an AEM cold air intake and no other engine mods. Was smogging the daily beater the other day and got to talking with the manager of the smog place. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. Not 100% sure, but from my understanding, any alteration to the factory catalytic converter will not pass smog. if you're worried about emission testing and you're in a state with a sniffer test look into a GESI catalytic converter for your high flow down pipe. Catted downpipe has worse emission than stock downpipe but still at a manageable level when compared to catless downpipe. WHen the time comes to re-smogging, swap it back. Talk to someone in SCIC to make sure you'll be ok. With high-flow options, you will pass emissions testing and are in compliance with the law. High flow catted downpipes are typically more expensive than their catless counterparts and do not offer as much of a benefit. Location: USA. The Stage 2 tunes disable the error code from the secondary O2 sensor. With catless downpipes, you can expect to gain between 10 and 20 wheel horsepower. In CA you only smog ever other year after 6 years. Within 75 miles had a CEL. You can use that intake no problem. 2002-2007 Subaru WRX, 2004-2007 Subaru WRX STI, and 2004-2008 Subaru Forester XT Catted Downpipe by GrimmSpeed A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. RV6 Catted downpipe,Q300 catback,Flash Pro etuned by VitViper. If you’ve noticed that your feline friend is sneezing more frequently than usual lately, you might be wondering why. Will a Catted downpipe pass smog? No, a typical aftermarket downpipe will not pass visual inspection at the Smog Shop. RPM Retail: $544. If Cali does more then just hook it to a scanner, then you need a stock cat and a ecu tune that will pass emissions in cali. Replacing these with our single high-flow unit will dramatically improve performance potential while maintaining the use of a catalytic converter. Braking; Car Care;. AEM makes an intake that is CARB approved, so it's smog approved. A note that many people consider the dowpipe and the midpipe to both be one part (even though they are two. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. It looks relatively stock, and will give you a performance boost. * Reduced back-pressure for increased top-end performance. 12-18-2012, 09:41 AM #13. Gotta run a catted downpipe, flash back to stage I and then get tested, and flash back to stage II. Mine was with catted DP for the sale, I. Some say the catted down pipe will pass the OBD2 CA smog test, some say it won't. Aug 9, 2006 · As for the visual, it's up to the smog tech really. 5" downpipe to 3" front pipe and exhaust. With valves open it is loud, sets my neighbours car alarm off on cold starts, pops and burbles lots more on low speed deceleration and the turbo dump bark noise when you let off quickly is far louder and more frequent. #11 · Jan 21, 2006. I am looking into getting one but I am trying to figure if I can get a certain aftermarket cat and pass. The other thing you may or may not know--with a high flow cat the exhaust smells gassy (rich)--this could throw a red flag. Sent from AutoGuide. Oct 12, 2013 · Smog is on the 6th year of a new car CA. Changing the threshhold value for the SES light from 255 or whatever to 1 (0. CNT Racing Mini Cooper High Flow catted downpipe R55 R56 R57 R58 R59 R60. You can use that intake no problem. Discussion Starter · #1 · Sep 12, 2019. If you get a catless version, then the vehicle will emit a noticeable odor. Gotta run a catted downpipe, flash back to stage I and then get tested, and flash back to stage II. said: Yes, you can still get a downpipe + protune. High-flow catted downpipes may pass emissions in some states, but tampering with OE emissions equipment may still be illegal. Swapping out the downpipe is much harder. The only thing you would have to do in order to get your car smogged would be to swap to the stock downpipe. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. There isn't a huge difference in power and not only will you be able to pass emissions, those of us in traffic with you will thank you. * Quality Welded throughout the whole system! * Straight flow, Mandrel Bent, 2. I have stock M4 with mpe no other exhaust mods apart from CG precision valve controller. Catless downpipes remove the catalytic converters from your emissions system, which is a major part of your system. Replacing these with our single high-flow unit will dramati. if you're worried about emission testing and you're in a state with a sniffer test look into a GESI catalytic converter for your high flow down pipe. Re: Cobb Catted Downpipe Smog Flashing it back to stock is the easy part. All catless downpipes remove a major part of your emissions system, the catalytic converters. Apr 13, 2019 · Joined May 7, 2018. Jan 10, 2022 · Performance catted downpipes nowadays have been shown to increase horsepower. High-flow catted downpipes may pass emissions in some states, but tampering with OE emissions equipment may still be illegal. Score: 4. Jul 16, 2018 · Yes, It’s expensive because it uses the same cat that’s on the factory DP. . westmoreland trib