Free Flow 304 Stainless Exhaust Downpipe for Audi S4 S5 B8 Performance Engine Rebuilds 9T with the STRATEC High-Flow

9T with the STRATEC High-Flow Catted Downpipe

providing a lightweight yet durable upgrade that enhances both performance feel and interior aesthetics

and street-ready style

Idle Adjustment Screws for Fine Tuning

Built-in resonator with removable double-layer silencer

Free Flow 304 Stainless Exhaust Downpipe for Audi S4 S5 B8 Performance Engine Rebuilds 9T with the STRATEC High-FlowImprove exhaust flow, throttle response, and overall performance on your Audi S4 or S5 B8 3. 0T with the STRATEC Free Flow Exhaust Downpipe. Designed to reduce exhaust restriction, this downpipe helps unlock stronger power delivery and a more aggressive exhaust tone compared to the factory setup. Constructed from high quality 304 stainless steel, the downpipe offers excellent heat resistance, durability, and long term corrosion protection, making it