IE Performance Cast Downpipe For Audi B9 S4 & S5 3.0T - IEEXCK3

Engineered as the ultimate downpipe solution for your Audi B9 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. Required to support hybrid turbo ECU calibrations High-flow design to support full-bolt on stage 2 power capabilities Removes any downpipe restrictions for full available power Increases exhaust sound with improved engine & turbo notes Improves turbocharger efficiency & speeds up turbo spool Thick-wall casting reduces radiant heat in the engine bay 200 CPSI performance high-flow catalytic converter 304 investment cast downpipe body 304 stainless steel downpipe legs & CAT Massive 6" downpipe body to dual 2.5" downpipe legs Hand TIG-welded for superior reliability and sur