Integrated Engineering Cast Performance Downpipe | B9 S4 · S5 G30 540i 3.0L Turbo I6 [B58] Stainless steel Clampco T-bolt clamps

Stainless steel Clampco T-bolt clamps

0T FSI (EA113) engine

and turbo lag is reduced

Like the trailing arm bushing

Integrated Engineering Cast Performance Downpipe | B9 S4 · S5 G30 540i 3.0L Turbo I6 [B58] Stainless steel Clampco T-bolt clampsEngineered as the ultimate downpipe solution for your Audi B9 B9. 5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP & 41TQ (on hybrid turbo setup). The TIG welded 304 stainless and investment cast body delivers addictive sound, quality finish, effortless install, reliability, and maximized performance for your turbocharged V6. IE's unique thick wall investment castings