

CTS Turbo TT225Q/8L S3 Downpipe
Free your MK1 TT225 Quattro from its restrictive factory downpipe with the CTS Turbo 3.0" stainless steel downpipe. Once your car is chipped, the OE pipe really holds power back; this one smooths exhaust flow to release the ponies, and it looks great doing it. A modular design makes adding a catalytic converter simple down the road.
What you get
- CNC-machined turbine discharge (downpipe) flange
- Mandrel-bent 3" stainless steel tubing
- T304 seamless stainless steel tubing
- T304 stainless steel flanges
- 100% TIG-welded
- T304 stainless steel O2 bung
- Stainless steel clamps
- Great sound
- Smooth transitions for optimal exhaust gas flow
Fitment
- Audi MK1 TT225 Quattro (8L S3 platform)
Will not fit the convertible. A CEL will appear without proper tuning software, so stage 2 software is required — and CTS Turbo recommends running a high-flow cat for the sake of the environment.
Emissions disclaimer: This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.
Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.
Pairs well with

CTS Turbo TT225Q/8L S3 Downpipe
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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