The popular 2015-2020 VW Golf R and Audi S3 is begging to be unleashed with the precision-engineered iE Catback Exhaust System. This bolt-on upgrade delivers a unique deep rumble at low revs and an aggressive roar at high RPMs. Our proprietary DroneTrap technology eliminates unwanted drone, leaving only the perfect exhaust rumble. The factory valve electronics integrate seamlessly, giving you full control to switch between subtle and rowdy modes. Finished with quad 4” slash-cut tips for true motorsport style. Features: DroneTrap Technology -Proprietary no-drone resonator design 4" slash-cut quad exhaust tips -Sporty motorsport look Retains factory valves -Easy factory sound control Large 3" piping to 2.5" tailpipes -High flow for any power goal Easy Install -No cutting, no welding, no hassle Bolt-on fit -Includes hardware for stock or iE downpipe No check engine light -When installed with stock downpipe What's Included: Integrated Engineering Catback Exhaust System