- 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)
Integrated Engineering
IE Performance Transmission Tune for Audi B9 A4, A5, & Q5 2.0T
Your iE ECU tune unlocks the engine. The iE TCU Tune makes sure the transmission is ready to handle it. By synchronizing shift logic, torque delivery, and RPM limits with iE Stage 1, 2, and 3 engine...