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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
4.6 ★★★★★
Based on 1601 reviews
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Product Reviews
★★★★★ 5
Dog loved it
Size: One-Size-for-Most
Great! My dog loves taking it outside at night so he can see where it goes easier. Super bouncy, he has had it for over a year now and still not destroyed. Perfect size for his mouth too and easy to clean.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
★★★★★ 5
Light up and glow in the dark ball
Size: One-Size-for-Most
Definitely my girls favorite ball 😀. It disappears and I have to buy another one or she goes nuts. Glows in the dark, brighter with more sun. The bounce light up don’t last a real long time, too quick to quit for her but still loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Durable & Bright - Great for Heavy Chewers
Size: One-Size-for-Most
Pros:
Extremely Durable: Survived an aggressive chewer where tennis balls failed.
Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface.
Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball.
Cons:
Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 5
Great for night time play!
Size: One-Size-for-Most
This ball is great! It is a 2-for-one light up feature so we love the flashing lights and if she drops it in the snow after those lights stop, we can still find it because of the strong glow that gets its charge from the flashing LED lights. Our first one lasted a few years, we lost it on a trip so now back for our second one so we can keep the night time fetch going! She is a golden retriever for size reference. Any bigger of a breed and I would worry it might be too small for her mouth. It’s a bit smaller than a tennis ball. Just don’t make the same mistake I did and let them have it in the house at night, she walked up to my bedside while I was asleep one night and squeezed it to activate it. Those lights are so bright it was a rude awakening!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2025
★★★★★ 4
Good option for playing at night
Size: One-Size-for-Most
This ball is a good option if your dog likes to fetch at night. It stays lit for about 20 minutes or so, but that is me only leaving it out of the counter, being "charged" by whatever house lights are on. My dog isn't a big chewer, but it seems as though it would hold up well. I like that it is easy to rinse and clean. It seems to be a good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
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