Enhance the exhaust note on your A6's exhaust system with our valved cat-back exhaust system!
10X Entries Into Our F80 M3 Sweepstakes Fits facelift 2016+ models
Deliver up to 577HP with a matching IE Stage 2 Tune and turn your 2.5T into an all-out power monster!
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE! *Does not include Y-pipe adapter (IEEXCQ3) - Necessary if mating to stock cat-back system*
Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear.
2X Entries Into Our F80 M3 Sweepstakes
Takes all of the precision engineering and performance of its SwitchPath™ counterpart, minus the valve on the passenger’s side and the muffler on the driver’s side. The result is a constant “valve open” mode.
2X Entries Into Our F80 M3 Sweepstakes
Designed as a drop-in replacement for the restrictive factory catalytic converters - offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and enhanced exhaust note!
2X Entries Into Our F80 M3 Sweepstakes *This catalyst requires a Stage 2 Racing Use Only Remap to eliminate any check engine lights due to removal of the factory catalyst*
Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
T304 seamless stainless, mandrel bent tubing downpipe to rid your TT of the restrictive factory downpipe
*Coupe models only, Will not fit roadster - A check engine light may occur due to high flow catalytic con
Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Lifetime Replacement
