The 034Motorsport Stainless Steel Racing Downpipe for Mk8 Golf R & Audi 8Y S3 models equipped with EA888 Gen 4 2.0T engines is the ultimate upgrade over the factory downpipe. Designed to replace the restrictive factory downpipe and catalytic converter to yield increased horsepower and torque throughout the powerband, reduced turbocharger lag, and an enhanced exhaust note, this is the ultimate downpipe solution for the discerning Audi/Volkswagen enthusiast.