CTS Turbo EVO4 AWD High-Flow CAT MK8 VW Golf R/8Y Audi S3

Unleash the untapped power of your MK8 VW Golf R or 8Y Audi S3 with the CTS Turbo High-Flow CATTED Downpipe. Specifically engineered for the MK8 VW Golf R/8Y Audi S3, this performance high-flow cat downpipe upgrade is meticulously crafted by CTS Turbo to redefine your driving experience. Constructed from premium stainless steel, the CTS Turbo MK8 VW Golf R/8Y Audi S3 downpipe ensures durability and longevity, standing up to the demands of spirited driving. With a generous 3.5-inch diameter and a high-flow sport cat design, this downpipe optimizes exhaust gas flow, reducing backpressure and turbo lag to deliver a substantial increase in horsepower and torque. Key Features:

• CTS Turbo Precision Engineering: Experience the precision and performance synonymous with CTS Turbo's reputation.
• Stainless Steel Construction: Crafted from high-quality stainless steel, our downpipe guarantees durability and resistance to corrosion.
• 3.5-Inch Diameter: Maximize exhaust flow with a larger diameter for unparalleled power gains and minimized turbo lag.
• Easy Installation: Designed for straightforward installation, the CTS Turbo downpipe seamlessly integrates into your exhaust system.

Transform your MK8 VW Golf R or 8Y Audi S3 into a powerhouse with the CTS Turbo touch. Elevate your driving experience, feel the rush of increased horsepower and torque, and immerse yourself in the aggressive exhaust note. Upgrade confidently with CTS Turbo's commitment to precision and performance engineering.   Product Details:

• Specifically designed to fit MK8 EVO4 all-wheel-drive platform with Continental turbocharger.
• High-Flow CAT, 200 cell
• Cast stainless steel downpipe flange
• 100% TIG-Welded
• Removable reducer to fit factory exhaust
• Factory mounting location
• Stainless steel clamps
• Great sound even with factory exhaust, no drone!!

Fitment:

• 2022-present VW MK8 Golf R
• 2022-present Audi 8Y Audi S3

Note: not compatible with OPF/GPF equipped vehicles. Most 2022+ vehicles come with an updated "tamper-proof" downpipe hangers that make it hard to remove the rubber downpipe hanger. You may purchase an old-style hanger from your favourite OEM parts retailer: 1K0253144AE

To remove the CEL that will occur, proper tuning software must be used. CHECK WITH YOUR TUNER!!

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 4 applications

GOLF R

Make	Model	Engine	Years
VW	GOLF R		2022–2024
VW	GOLF R (MK8)		2022–2024

S3

Make	Model	Engine	Years
AUDI	S3		2022–2023
AUDI	S3 (8Y)		2022–2023

Fitment data last updated: 2026-07-28