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Description
ARM Motorsports AUDI 8P A3 3" CATTED DOWNPIPEHIGHLIGHTS Gain up to +20whp 30wtq Improved Exhaust Note Faster Turbo Spool Stainless Steel Fits CBFA and CCTA PROFILE ARM Motorsports 8P A3 Catted Downpipe boosts power up to +20whp and +30wtq. It also improves turbo spool on your 2. 0T, allowing your A3 to hit boost sooner at lower rpm. WHY WOULD YOU WANT A CATTED DOWNPIPE? Great question! There are multiple reasons why you would want a catted downpipe for your A3 versus a catless downpipe system.
HIGHLIGHTS
• Gain up to +20whp / 30wtq
• Improved Exhaust Note
• Faster Turbo Spool
• Improved Exhaust Note
• Faster Turbo Spool
• Stainless Steel
• Fits CBFA and CCTA
PROFILE
ARM Motorsports 8P A3 Catted Downpipe boosts power up to +20whp and +30wtq. It also improves turbo spool on your 2.0T, allowing your A3 to hit boost sooner at lower rpm.
WHY WOULD YOU WANT A CATTED DOWNPIPE?
Great question! There are multiple reasons why you would want a catted downpipe for your A3 versus a catless downpipe system.
- PASSING EMISSIONS: One of the biggest benefits of a catted downpipe is that it increases your chances of passing emissions.* The catalytic converter in the ARM A3 catted downpipe is significantly less restrictive than the OEM catalytic converter, allowing it to increase the power of your 2.0T while still going to work on burning up those exhaust gases that don't get along with the environment and the EPA.
- NO FOUL SMELLS: Well, at least from your exhaust. The catted downpipe destroys most of the elements in the exhaust gas commonly associated with catless downpipes which produce strong exhaust fumes. If you've owned a vehicle with a catless exhaust you likely know the odor associated with a catless downpipe. The ARM A3 catted downpipe eliminates the smell of many exhaust fumes above that which you would experience from the OEM downpipe.
- EXHAUST SOUND: Many enthusiasts prefer the sound of a catted downpipe over the standard catless downpipe. Having the catalytic converter in the downpipe of your A3 reduces some of the high-pitch rasp commonly associated with catless systems. It almost acts similar to a resonator in the way it effects the acoustics of the exhaust note.
CONSTRUCTION
The ARM 8P A3 catted downpipe features a full 3" stainless steel construction with smooth bends for improved exhaust flow. The upper section of the downpipe has a CNC-machined flange that mates up to the turbo and includes a flex joint to relieve stress and make installation easier. The downpipe to catback section is where the 200 cell sport catalytic converter is placed. The ARM catted downpipe kit is designed to fit both CBFA and CCTA applications, so you can make sure that no matter which version of the 2.0T you have the ARM downpipe will accommodate your A3.
BOLTS UP TO STOCK OR AFTERMARKET CATBACK EXHAUST
The ARM 8P A3 catted downpipe will fit the existing OEM catback exhaust or any aftermarket exhaust that connects the OEM downpipe. The ARM downpipe kit includes a 3" to 2.25" reducer to allow it to mate up perfectly to the stock exhaust system. Or opt to connect to a 3" aftermarket exhaust system for a full 3" turbo-back setup.
IN THE BOX
• ARM Catted Downpipe
• Stock Cat-Back Adapter
• Mounting Bracket
• Stock Cat-Back Adapter
• Mounting Bracket
• Hardware & Gasket Kit
FITMENT GUIDE
WILL FIT K04 TURBO UPGRADE
| Make | Model | Submodel | Engine |
|---|---|---|---|
| Audi | 8P A3 | FWD | 2.0T |
| Volkswagen | CC | FWD | 2.0T |
| Volkswagen | Golf V | All | 2.0T |
| Volkswagen | Golf VI | FWD | 2.0T |
| Volkswagen | Jetta V | All | 2.0T |
| Volkswagen | Jetta VI | Sedan | 2.0T Gen 1 |
| Volkswagen | Passat B6 | FWD | 2.0T |
*NOTE: Installing a catted downpipe does not guarantee that your car will pass emissions. There are many variables associated with the emissions of a vehicle including but not limited to other performance modifications, condition of the car, maintenance history, emissions testing procedure, etc. For more information, please email us at [email protected]
ARM MOTORSPORTS LIFETIME WARRANTY
Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.
This product is for Off-Road Use Only. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Perfect Tool for the Job – Compact, Durable, and Well-Made
Size: 32mm, Color: Green
I bought this 32mm oil filter socket specifically for my VW TDI, and it worked like a charm. The low-profile design is a lifesaver—there’s barely any clearance where the oil filter sits, and this tool fit in perfectly without me having to wrestle with it or remove other parts.
The quality is excellent—it’s made from aerospace-grade aluminum, which means it’s both lightweight and solid. The anodized finish looks great and gives me confidence it won’t rust or degrade like some cheaper tools I’ve used in the past. The 6-point hex design grips the cap snugly and doesn’t round it off, even with decent torque applied using a standard 3/8" ratchet.
I’ve already used it on a couple different vehicles (including a BMW and a Chevy) and it hasn’t slipped once. It’s a small tool, but it solves a big headache. For anyone doing their own oil changes—especially if you're dealing with tight engine bays—this socket is 100% worth it.
Bonus points for the bright green color—it’s easy to find in the toolbox! Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
★★★★★ 4
Decent Quailty
Size: 28mm, Color: Red
Great for taking off the Cummins 6.7 fuel filter cap. 28MM nice color making it easy to spot should you drop it in the engine compartment. Appears to be made of a bit soft material. IMHO don't think it would take a lot of torque. But again it’s to remove a plastic fuel filter cover so you should not be applying a lot of force on it to begin with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
★★★★★ 5
Saved my plastic oil filter cap. A must-have for Chrysler owners.
Size: 24mm, Color: Green
I struggled for a long time trying to remove the plastic oil filter cap on my Chrysler. I almost broke it a couple of times using the wrong tool. My friend told me to buy this socket.
I was worried because it's aluminum. I thought it might not be strong enough. But it works great.
What's good:
The 24mm low profile fits perfectly on the plastic cap.
The aluminum is strong — it grips the cap well without damaging it.
6-point design gives good grip, won't strip the plastic.
I bought it once and use it every time now.
How I use it:
I only use this socket for removing the oil filter cap. Nothing else. I don't want to break it.
Bottom line: If you have a plastic oil filter cap (especially on a Chrysler), buy this socket. It will save you from breaking an expensive part. One of those tools you don't need often, but when you need it, you're glad you have it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Great Product
Just as described and prompt shipping
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
★★★★★ 5
They are great
Work as they should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
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