IE Performance Catted Downpipe For Audi A4/A5 B9 - IEEXCK1

B9 2.0T DOWNPIPE FEATURES: Excellent horsepower gains - with matching Stage 2 Tune Cast sections ensure maximum flow and gorgeous fit and finish True 76mm Throughout- Does not neck down to OE Sizing at catalyst discharge Direct bolt-on fitment - no modification or bending of mount brackets required 100% 304 stainless steel pipe construction - lifetime of worry free performance   Thick cast turbo flange - ensures long gasket life and no leaks High flow 200 cell catalytic converter - full power with reduced pollution High quality metal matrix catalyst flows more than cheaper ceramic matrix cats Tuned resonator - keeps highway drone to a minimum Fully lined extra tough flex section will never collapse internally Complete Kit - includes all mounting hardware (nuts, bolts, clamps, gaskets) UNLOCK STAGE 2 POWER: The IE B9 A4 & A5 Catted Downpipe is engineered to completely reduce turbocharger back pressure and increase turbo spool required for the calibrations of a stage 2 ECU tune. Th