Exhaust Decat Pipes – Audi RS4 Avant B9 2017-2025

Gravity Performance Exhaust Decat Pipes are designed to replace the restrictive Catalytic Converter in your system with a free flowing pipe, improving power and torque throughout the rev range. Our Decat Pipe is a cost-effective and well engineered way of releasing more power from your Audi RS4 Manufactured from High Quality T304 Grade Stainless Steel for durability. Designed to improve peak performance, extracting more BHP and Torque from your 2.9 Twin Turbo V6. Free Flowing Catalyst replacement to replace restrictive OEM system. Mandrel Bent and fully TIG Welded for strength and durability.