Catted vs catless downpipe supra. 15" exhaust and aren't created to make use of a full 3.

Catted vs catless downpipe supra 0, 2021 NSX, 2016 428i Gran Coupe Been running the AA catted downpipe for quite some time now and no CEL. (I was surprised that it would be this much) Thanks, VRSF Downpipe: https://www. 5inch all the way until the exhaust meets the dp. Aside from sound, what other benefits would I realize by going to the 5 inch downpipe? I'm not sure the difference in size is worth the switch. If sound is your primary concern and you’re not worried about emissions or CELs, the VRSF catless downpipe is a solid, cost-effective choice. enjoy! Mar 20, 2020 · The downpipe is not as loud as the catless downpipes, but it is significantly much louder than stock DP. Jun 28, 2021 · I ran mine catless without a tune for about 3 weeks. Today my car made 372/466 on a mustang dyno with an AA catted downpipe if that helps with making your decision. I honestly Catless Downpipe with 3. Like others said active auto and ams catted dp's are the best for not throwing CEL but if you really want catless look into armytrix The cost of a catless exhaust system typically ranges as follows: Catless Downpipe: $150 - $800 Catless Full Exhaust System: $400 - $2,000 Installation: $100 - $500 Prices depend on the vehicle model and brand. To me that is better than catless even though its more expensive and if you do eventually tune, the catless will be less restrictive. Or if you can't justify the cost of a catted downpipe then keep the stock downpipe. I push the car hard (track, autocross, and Apr 4, 2024 · The downpipe should be a direct fit to your Supra. Stock Normal & Stock Sport Mode (Revving)2. Oct 6, 2019 · I want to make sure that this is a product of the catless downpipe and piggyback and not haveing a ECU flash that can suppress those warnings vs some other issue. I chose the catted downpipe option. 5 hours all by myself. I just ordered myself an Armytrix and will post back in maybe a week with my initial thoughts. I got it tuned recently and they made sure it wouldn't. It is a CG Precision DS-1, so it’s a 200 cell cat. Same thing as just installing a catted downpipe, just more complicated now. 0 eliminates the stock catalytic converter for unimpeded flow. The second mod needed to get into the 500hp range! Thanks for watching!Downpipe found here (p Feb 28, 2020 · Primary reason I started looking for a new downpipe was speed industries YouTube video reviewing some of the more popular catted downpipes. That's removing quite a bit of restriction. Thanks. Dec 9, 2022 · No CEL, no gas smell, deeper than a raspy catless but not overly loud. To be honest, at first I wasnt a fan of catless downpipes but paired with the Jul 19, 2022 · I’ve obviously had OEM cats in my cars, and I’ve had a catless car, as well. 5 inch bottom section to match the AWE resonated touring exhaust! the car definitely picked up power even with no tune and i havent had any huge issues so far. is it worth it to get a catted down pipe i can't deside which one to buy to run stage 2 in this thread in this sub-forum in the entire site Dec 7, 2024 · I’ve had my AA downpipe installed for about 1300 miles and got a CEL today. I see a lot of catless downpipes that all vary in price. What Jan 11, 2024 · I thought that was maybe about a guy over boosting on a catless downpipe. This is a TRUE 4. So yes, you're unlikely to detect a performance difference comparing catted to catless. 3. I’m glad that you changed it to catless dp . 2020 Toyota Supra Jun 22, 2020 Nothing like a catless downpipe and/or an *Fits all Gen 1 and Gen2 B58s (and supra)* Introducing the BimmerNetwork B58 High Flow Catless downpipe. Features * Largest diameter downpipe for B58 worldwide * 6" diameter Euro 6 400 cell catalytic converter * No CEL guarantee Feb 4, 2025 · hey yall, finally got some spare money as a college student to spend on my car I'm not planning on doing anything crazy to my car except a downpipe and tune i chose MHD but asking if you guys think it would be better to get a AA catted down pipe (in a emission state) first or stage 1 tune first I have money for either or right now and just Jul 1, 2022 · Okay so I have a 2021 supra and I just installed an Armytrix catless downpipe and I love the way it sounds, But best of all I DO NOT have a CEL. Feb 28, 2020 · When it comes to catted downpipes, the quality of the cats plays a big role. Jan 3, 2022 · you kinda just defeat the purpose of a catless downpipe, cause you just basically relocated the cat. I paired it with the AMS catted downpipe and Phil has a catless downpipe. Aug 9, 2006 · What is the HP lose for a catted downpipe vs a catless downpipe. So most people tune them out via tuning. CEL came on after about 50 miles but the vehicle never went into limp mode nor had any adverse effects on performance. Going cattless to save money is like going to a fancy restaurant and not tipping because the meal was so expensive. More than I thought I’d get from a catted downpipe. 5 inch catless downpipe with my DAW flowmax 2. Mar 24, 2023 · 2023 GR Supra 3. I'd run this aFe uncatted I have but they made some mistakes with this thing and they want me to pay for shipping to return it! Oct 29, 2019 · Honestly, there isn't going to be a big performance/sound difference among catted downpipes. Your catless downpipe with a catted exhaust theory just basically contradicted itself. -Josh Recently we put on the Wagner Tuning Catted Downpipe to take our Supra officially to Stage 2. I'd like to order a catless downpipe. A Downpipe and a tune is a good way to make power. Was debating just throwing on some catless downpipes, but then began to wonder about the CEL and of course the smell. Feb 28, 2020 · Looking into catted downpipes right now since I live in Cali. Note: we do not sell catless downpipes im only letting you know the options for that kind of budget. Less back pressure is always good but wondering if any additional power or torque will be seen. 0L Turbo Engine (USDM MODELS ONLY) Sep 14, 2022 · I know they are more expensive -- but you bought a 55k toy and you can sell the OEM one for a little bit. The hp gain were outstanding with nice backfires I’m really happy that you have reached your goal . 0L Turbo Engine (LHD and RHD) 2021 Toyota GR Supra – w/ B58H 3. based on my very unscientific organic sound meter (my ears), it has about 50% increase in exhaust sound and turbo spool/blowoff. Jul 1, 2021 · So I'll be installing the JB4+ EWG as soon as I hit 1200 miles. The Subaru specialty shop that will do the install mentioned that the catted will lose about 10whp. I always shop around. But you're driving a 50+k car. 10 mins on idle, 2 mins @2500 rpm followed by a cool down. In case your Wondering I hear is the difference between the AA catted and the kanji “test pipe” . Jun 10, 2021 · It is strong! Funny, though, I actually like the smell. 0L Premium Bm3 CustomROM Stage 2 OTS, Titan Catless Downpipe, Swift Springs 2008 IS-F 2010 LSD, JoeZ intake, Secondary Cat Delete, Figs LCA bushings, Fsport rear sway bar, 245/255 Michelin PS4S 2015 Sienna AWD 2002 CBR F4i Mar 28, 2020 · Catless downpipe removes this catalytic converter, so illegal for street use. Nov 8, 2023 · I run AA catted, I have been debating swapping into an armytrix catless but both my local clients with 23's running catless have been having tons of overboost and throttle closure issues so getting nervous that 23's are not liking being catless on the stock tune. Jun 10, 2021 · That delta is even smaller when you're looking at a high quality catted downpipe. The thing I know it’s true that catted down pipe sounds slightly less loud Dec 19, 2021 · You are gonna damage your turbo and probably blow out your stock cat. Keep in mind the CEL delete does not fix all the catless downpipe issues; you will still need to delete the fuel smell and increased rasp in the exhaust sound. I'll run the AA catted until they break the '21 ECUs then buy a high-quality uncatted downpipe to run and tune out the CEL. Jul 19, 2021 · I do not think there is a sound difference as between catted downpipes but there is a very significant sound difference between catted and catless. Jan 11, 2024 · I've since switched to a DAW catt-less dp with true 4" exit and that mates up to ETS 4" exhaust. BUSINESS HOURS 7am-5pm Pacific Time 1 day ago · I am aware of the draconian emissions requirements in California - so if its catless or even has a high flow cat, it will be louder than stock and smell - so you might be bothered by the ermissions gestapo. I plan to just stick with downpipe + tune + intake/chargepipe. 0 MT (Absolute Zero, Carbon Fiber Mirrors, Safety & Tech Package Plus JBL / AA Catted Down-Pipe, Magnaflow Catback, K&N Drop-In Air Filter, FTP Intake & Charge Pipe, Forge Motorsports Catch-Can, BMS Intake Muffler Delete, Toyota OEM A91-MT Front Strut Bar, Titanium Lug Bolts, A90 Shop A91 Carbon Duckbill Spoiler, Custom Steering Wheel) Jul 3, 2024 · Active Autowerke has released a new catted downpipe for the A90 Toyota Supra! (They were having issues with the old GESI ones, so they made their own!) You can expect the same results as the GESI cat. Thread starter would I be able to do a stage 2 map with a catted downpipe or would I need to be catless. I hear that the AA one has a louder and deeper tone compared to the PowerNeedy one. Feb 5, 2023 · Jimmy finally pulled the trigger and bought a downpipe to go with his exhaust. AFE Normal & AFE Sport Mode (Revv Feb 20, 2025 · The durability of catted and catless downpipes can vary. Sponsored The Active Autowerke Supra MKV catted downpipe helps unleash some of the potential that is restricted by the OEM downpipe. The Downpipe features a high flow cat and is good for a good ju Jul 20, 2021 · I have a PowerNeedy 200 CEL catted downpipe along with the HKS Dual Muffler exhaust. Price . 5" until it tapers down to a 3. For a balance of sound improvement and reduced risk of CEL, consider a high-flow catted downpipe from brands like HKS or AWE. We did not give up, comparing the two the ONLY difference was the catted DP on my car (Activeautowerke) vs his catless DP Pressure tables were lower and cat heat limits looked like they were at the max due to the extreme weather Jan 30, 2025 · Catted downpipes that have a no CEL guarantee:-Active Autowerke-MST Catless downpipes that don't throw a CEL (by method of a defouler to spoof the sensor):-Armytrix-Kenji Garage All of these pipes could throw a CEL under the right conditions, although they usually don't. Hundreds sold, smallest % of CELs. Off topic: I plan to keep the stock exhaust. Going catless has several benefits, but the biggest is improved performance. The long gradual Feb 25, 2025 · If I install a 200 cel high-flow catted downpipe from armytrix with cat simulator and a OPF delete exhaust with Whifbitz OPF harness can I prevent a CEL from appearing or will it come up eventually? I have an European 2022 Supra and I want to improve the sound while keeping my ECU locked and preventing EML. are the only options for catless w/o cel Apr 25, 2023 · The bare minimum downpipe diameter you should consider is 4". I am running a BM3 Stage 2 on 91 octane tune with the cold start adjustments. Quality unit. Catless is louder than both but also raspy and generates a fuel smell. the only pro for catless over high flow catted is the cheaper cost. But from what I have found, the 200 CELL catted downpipe, throws the code just like the catless downpipes. If you will be doing the installs yourself, I suggest doing one thing at a time to see the differences. Today I removed the Active Sound, the fake enginge sound that comes from the speakers, I did lose a lot of sound but thats how its supposed to be Now I am thinking of installing a Catless downpipe mainly because I dont want to do a modification to the exhaust since it is all one part. We’ve seen gains of up to 100whp and 89wtq when tuned on pump gas and up to 177 WHP & 188 WHP gain when paired with a DME remap. there is a reason why they do not recommend stage 2 for stock dp's. It provides a nice deep and refined tone. '20 Supra 3L, boosted 3. Video Pictures Aug 15, 2020 · Looks like my Supra was made on a Monday we said and laughed together. Depending on the cat, the sound may change between vendors. Plus it sounds better catless. Stock exhaust with an aftermarket intake alone will change the sound a lot. Mar 23, 2021 · I have the active autowerke catted downpipe and titan protune on my car. Don't half ass it because it's cheaper for you. Dec 20, 2019 · Active Autowerke is proud to introduce our B58 catted downpipe available for the MKV Supra. I was just looking to get some feedback from folks regarding the pros/cons of each. as the great @zrk once said, you just jammed the brillo pad lower into the straw. If I'm not mistaken the CEL doesn't really harm the car, but doesn't allow for the Jan 20, 2025 · Hi everyone, just got my supra around a month ago. ecstuning. Because I've done countless 20-22 with with basically no issues. Boost Logic and Titan Motorsports catless downpipes are perfect for making power. Anyone got a recommendations? We are testing catless vs stock tomorrow, both stock and with a tune Mar 19, 2020 · The downpipe is not as loud as the catless downpipes, but it is significantly much louder than stock DP. Sep 21, 2021 · 2021 Supra 3. The sound tone is a bit louder than OEM but not crazy loud like catless. So I never got a true comparison on catted vs. Power comes in earlier and turbo spool-up is significantly improved. JB4 and flex fuel with the stock downpipe is fine. Thanks to the guys over there. ( A couple of fun Highway pulls, hard launches, MEAN downshifts, and other goodies). Jul 12, 2023 · Looking to get more choice on catless downpipe with no CEL. 8L Gen Coupe, '93 Jimny Jul 1, 2022 · Kanjigarage catless DP installed and so far after about 100 miles no CEL. If you want a bit louder, then upgrade to a catted downpipe. All of the top brands, Active Autowerke, Armytrix, Boost Logic, CTS, FI Exhaust, and more. we do not offer catless products, so this situation doesn't impact me. 5" Full Throughput I have been looking tirelessly for a downpipe with a 3. 5" outlet, it seems most just mate up to the OEM 3. Aug 15, 2020 · Nice write up , the results are amazing . So the 200 Cell is not doing enough exhaust scrubbing to keep the CEL off. htmlMHD Wifi OBDII adapter: https://www. But I didn't want to deal with the stink, the rasp, and the CEL for a nominal increase in HP. The AA one is pretty huge but does have a 400 cel cat in it and it is, compared to the smaller Kanji one pretty quiet. AMS MKV Supra Street Downpipe and Tune . CEL is Check Engine Light- It can come on when the sensors in the downpipe still detect high toxic pollutants in exhaust gas. Apr 25, 2023 · Yes, the good catted downpipes cost more money. Applications. 2021 and 2023 Supra's. Although a 5" downpipe won't offer substantial power improvements on a stock turbo, it will provide additional airflow, which is beneficial when you upgrade your turbo. Catted downpipe replaces the catalytic converter, but typically with higher flow one which may not be as effective as stock. Parts do go on sale. No CEL light, followed the directions on how to “cure” the new cat. The downpipe is also designed to work seamlessly with the factory exhaust system, so there's no need to worry about compatibility issues. Sep 14, 2024 · Spent the afternoon installing the new AA catted downpipe V3. And for Catted, AA, which is $1400. This is what my tuner told me. Is the power really that much better since everyone seems to run a catless DP. 0T (OPF) | 2021+ DownPipe – DSG Performance Anyone else know any or have experience with these two? Feb 4, 2021 · Most people that use these are using them on catless downpipes. com/vrsf-downpipe-upgrade-for-b58-2020-toyota-supra-a90. Jul 14, 2021 · In todays video I install the H&R Performance Catless Downpipe. Limited Time Deals Click Here!. This is my first time with a “high flow” catted downpipe, and it still has some smell to it. Call Us 725-221-5267 | About Us | Reviews The CTS Turbo High-Flow Cat for the 2020+ Toyota Supra B58 is made to maximize exhaust flow for the highest power gains. Aug 15, 2020 · I have a 2021 so they really toned down the burgles and pops and that was such a disappointment for me. I'd recommend a stage 2 tune to make full use use of a catless DP however; it's a night and day difference for sure. Of course, each state has different laws, so it's not 100%. Plus absolutely ZERO drone. However, based on the post, it sounds like as more of these downpipes were sold, more failures have been reported. Two weeks daily driving constant pulls and I want to say 200+ miles no check engine light. But if you want to run Stage 2, you will also need to get rid of the OPF. I have the 4. If you want catted, the question is whether you want one that throws a CEL or one that doesn't. At least back in my STI days that was a symptom of driving it in cold weather due to increased air density, but idk how the supra's operate catless in the winter. If you want a catless downpipe that doesn't throw a CEL then Armytrix is by far the most reputable one, with Kenji being seconds. The CTS Turbo Catless Downpipe for the Toyota Supra A90/A91 B58 is made to maximize exhaust flow for the highest power gains. 2020 Toyota GR Supra – w/ B58 3. vr-speed. Bringing even more performance & exciting exhaust sounds to your vehicle. the only thing that has come up since i added it the catless downpipe was my transmission short shifts under WOT pull in automatic mode if i launch the car i've posted about the Titan motorsports downpipe HKS Dry Carbon Racing SuctionStock exhaust (sport mode/valves open)check engine light Dec 1, 2020 · 2020 Supra Launch Edition Dec 1, 2020 . Jul 7, 2021 · OEM downpipes are always connected to catalytic converters because that’s the standard they have to follow. 0 engine vehicles. But my tuner also said that with ECUTEK, you can over write the CEL sensor with catted or catless. The catted option is better for the stock turbo; it's louder than stock but not raspy and has a deeper mid-range tone. Now wait for colder weather and your car will be in Feb 2, 2023 · This is one of the highest-efficiency downpipes worldwide. 2. 5+ turbo running anywhere from 28-30psi. Customization: Catted downpipes offer customization options with various catalytic converter types and sizes. If you feel you want something more afterwards, then get the AWE. Explore a comprehensive comparison between catted and catless downpipes, examining performance, emissions, sound, and other considerations that influence your choice. Same goes for smell. Checked codes and got a P0141 code. Is any reason to choose one over another? Titan Project Gamma VRSF Nov 8, 2023 · I run AA catted, I have been debating swapping into an armytrix catless but both my local clients with 23's running catless have been having tons of overboost and throttle closure issues so getting nervous that 23's are not liking being catless on the stock tune. Intakes don't do much of anything except let you hear the turbo. com/b-mhd-tunin Apr 8, 2020 · The AMS MKV A90 2020+ Toyota Supra Street Downpipe w/ EPA-verified Ultra High Flow GESI Catalytic Converter The 4. Mar 13, 2021 · I want to make the car louder as the stock exhaust is quite underwhelming on my 2021. There are so many options in the market ranging from. Catless downpipe offers even more significant gains in horsepower than catted downpipe. This will bolt on to your oem exhaust(no modification needed), or can be cut at the taper and welded to a true custom upgraded exhaust, with the add The standard catted downpipe is unlikely to pass emission in most states since they trigger the check engine light. . 5″ full mandrel bent downpipe is the best performing and most durable on the market. I am moving from catless downpipe to an AMS GESI catted downpipe as the smell gives me headache and emissions testing in Illinois. Oct 11, 2022 · Here someone reviewed armytrix catless downpipe I have also heard others not get CEL from this downpipe. Apr 25, 2023 · Supra Downpipe Comparison - Stock vs. The dyno chart shows an increase of 18 whp using the Active catted downpipe and signature exhaust with the stock tune (just FYI our stage 1 and stage 2 tunes are showing whp increases of 53 and 94 using the catted down pipe Mar 1, 2020 · Remember with the catted downpipe, you're using a higher flow cat along with eliminating the downstream cat in factory downpipe. Catless downpipes might be more susceptible to heat and exhaust gas damage. Will get a JB4 tune to not void warranty (will be well hidden) and then a cold air intake upgrade (suggestions on a good one?) After all that I’ll deal with exterior cosmetics. Jul 26, 2006 · It looks like I have decided to go with a Cobb TBE. Just wondering if this is normal. A catless downpipe is one that is not fitted with a catalytic converter. Jul 16, 2023 · i run an A90 shop catless downpipe with a modified 3. it is not expensive to go catless, or even a high flow cat, and on top of that, you can sell your oem downpipe (to me shameless plug) for more than a cost of a catless one or at least the cost of a nice catted one. Feb 23, 2021 · Recently installed the Powerneedy catted Downpipe so decided to do an AB test vs a bone stock 2021 supra Sponsored Reactions: Deighvid , freeform911 , Loco38SUP and 2 others Nov 8, 2024 · 1. Turbo definitely spooled a bit quicker. 5" flex section, and then it tapers back down to the OEM 80mm to match the factory exhaust. Oct 5, 2020 · Catted downpipes provide slightly less horsepower (about 5-10 lesser) but they have much more pros than the catless version: significantly less emission, no unpleasant smell, and has lesser chances of turning on check engine light (CEL). We are utilizing a GESI catalytic converter that is 49-state legal and will pass emissions testing. Took me like 2. I ran Stage 1 for a couple of months with just a downpipe, but OPF still attached untill I fitted a whole Milltek exhaust system with a OPF delete pipe. Its going in for PPF and ceramic Mar 22, 2024 · It's all great if it works fine, but once it does not, you lose a lot of money on a very expensive catless downpipe. Question comes with the catless DP, if the O2 sensor is the same, or similar then why is it throwing a CEL, and what makes the Armytrix different than the other 10-15 catless dp options out there. We are proud to introduce our VRSF Downpipe Upgrade for your 2020+ Toyota Supra. I have a catless boost logic downpipe and had it for a few weeks and it never threw a cel. Reply reply Feb 22, 2025 · A 200 cell downpipe will be fine on both Stage 1 and 2. 0 | A90 Shop FI Exhaust BMW M440i G22 | B58 3. Sponsored Last edited: Oct 6, 2019 May 8, 2020 · Akrapovic exhausts in stock and the catted AA downpipe! Let us know, we have other brands of downpipes in stock as well with international shipping options. So no issues with the sound on my exhaust personally as i already heard it. Our downpipe begins at 4. Between catted and catless I think the catted would pair nicer with SP1-R considering how hardcore it is. May 4, 2022 · There seem to be just 1 catless DP that consistently doesn't throw a CEL which is Armytrix. I agree with you. Jan 16, 2023 · For $500, you can get a US handbuilt catless downpipe from Evolution Racewerks. Jan 5, 2025 · '23 Toyota Supra A91MT Burnout Slow Build Pg: Active Autowerke catted downpipe. The only way to actually make sure you won't get a CEL ever is by tuning. This downpipe is THE best bang for the buck mod for your supra and is available in both race & catted configuration. Video: Pics: Aug 25, 2023 · First Name Chris Joined Jan 17, 2023 Threads 8 Messages 549 Reaction score 506 Location Costa Mesa Car(s) 2023 Supra A91 CU Later Grey, 2015 Taccoma, 2013 A MKV Toyota Supra GR A90 Downpipe Products Collection We offer the full selection of catted and catless downpipe options for your MKV Toyota Supra GR A90 / A91. Catt-less. $250-$450. CG Precision DS-1 Catted If your local to SOFL more than welcome to ride in mine @Jesse DaBears race catless downpipe or my Dec 4, 2022 · 2021 Supra 3. Suitable for BMW/Toyota B58 3. as much as 32whp/16wft-lbs gain; torque peak at lower RPM; save weight; better throttle response and faster turbo spool; lifetime warranty; The Evolution Racewerks cat-less racing downpipe for the B58 engine used in the 2019-2020 Toyota Supra 3. same CELL count, same warranty, Guaranteed no CEL, no smell, more sound volume than the GESI, and similar power gains if not more (waiting on Jun 5, 2022 · No power difference between a high flow catted downpipes and catless under these conditions 1- the cats are high quality and not restrictive 2- stock turbo If you upgrade the turbo, the catless will make 20-30 more whp Oct 11, 2019 · Revving and Taking Off clips (Before & After with AFE Power catted downpipe). I am trying to decide between catted and catless downpipe. If you can't afford it then don't do it. Catless will allow more flow, but it filters none of the toxic fumes and obviously creates emission issues if you have inspections to pass. High-performance catted exhaust downpipe for singe turbo B58 equipped Toyota Supra MKV from the leader in BMW (and now Supra) performance parts and software tuning for over 38 years. I was wondering how the sound was going from catted to catless. I will say the catt-less 4" system isn't as loud/deep as the AA/HKS but it sounds more exotic and clean. Catted downpipes are fitted with a high-flow catalytic converter, which cleans the gases just as your OEM catalytic converter will. Looks like the choice is pretty thin, I was only able to find these two: ARMYTRIX - Performance Catless Downpipe w/ Cat Simulator, MKV Supra 3. 1. BUSINESS HOURS 7am-5pm Pacific Time . The active autowerke downpipes use EPA-approved GESI cats; you are much more likely to pass emissions with these downpipes. I’ll keep everyone posted on how it does. downpipe is totally worth it for the sound alone. Is there rasp on a catless? I just want a deeper and throatier tone that will make more burgles and pops. Just trying to figure out if it’s worth another $600 to ditch the active autoworkes 400 cell cat for catless. Although they didn’t specifically talk about power needy they are a small business close to me (located in Idaho Falls, ID) and were very responsive via Facebook messenger and answered all my questions. 5" aftermarket exhaust. The Mad Catless B58 Downpipe is designed to be a direct bolt-on replacement for the factory downpipe, making installation quick and easy. There is less of a power boost with a catted downpipe than with a catless one. The catless is good for race cars and drag strips where everyone's fighting for that extra tiny bit of power. Sure maybe it will come on in the future, but I beat the hell outta the car after I installed it. Apr 2, 2024 · All the reviews on the forums from what I read are pretty much always good. I'm running Active Autowerkz catted with JB4 and no CEL. you also get a slight increase in throttle responsiveness. Paired with the stock cat-back exhaust, the downpipe improved the sound to the point where I likely do not want an aftermarket catback. Do not compromise performance and sound with factory parts – unleash your Toyota Supra’s potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. I’m looking for the best overall for performance, price, and sound. Catted systems may be more durable due to the protective nature of the catalytic converter. Armytrix catless w/cel simulator or AA catted downpipe? Turcktech; Nov 8, 2023; General Supra Topics; 2. Wagner Tuning Toyota Supra MK5 (US Model) Catted Downpipe Kit 200CPSI. Sep 17, 2023 · There is no power difference on stock cars between catless and high-flow catted. Fully Stainless Steel Supra Street Downpipe w/ EPA Compliant GESI Catalytic Converter; Adjustable Mounting Bracket; Detailed Installation Instructions . 15" exhaust and aren't created to make use of a full 3. Jun 28, 2023 · Does anyone have any idea of the maximum power levels with a catted downpipe such as the Active Autowerkes downpipe? Active Autowerkes say: The GESi UHO-Series Catalytic Converters are rated for engines putting out between 500 and 850 horsepower while maintaining a high flow capacity. Catted and catless sound and perform differently, with catless being a lot louder/raspier and giving a little more HP gain (single digits). Tha catted downpipe was restricting the Pure800 . Both myself and Phil are running the RK Signature Titanium exhaust now. Untunable 2021 also Feb 9, 2023 · I have heard this on other Supra’s with catless DP and they sound fantastic. erh jehsh phcyo xtsnasi iqae jbwa tfmqe qxefg dxet kgamgg rqzd donhc kimp xxx smktzgb