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Catalyst Replacement Pipes

Catalyst Replacement Pipes

Brand: Milltek


Milltek is the leading manufacturer of performance exhaust systems for Audi, BMW, Mercedes, Volkswagen, and more. Our Catalyst Replacement Pipes are specifically designed to provide improved performance and sound. They are the perfect upgrade for your Audi RS4 B9 (2016-Present) 2.9 V6 Turbo Avant (Non GPF Models Only). The Milltek Catalyst Replacement Pipes are made from high-grade stainless steel and have a 76mm (3”) diameter for improved gas-flow. The pipes are EC approved and are for off-road use only. This setup is designed to be used with a Stage 2 ECU remap for optimal results. So if you want to make your Audi RS4 B9 (2016-Present) 2.9 V6 Turbo Avant (Non GPF Models Only) roar like a beast, then the Milltek Catalyst Replacement Pipes are the perfect choice. Get yours today and experience the thrill of performance.

Fitting Guide

Audi > RS4 > B9 (2016 - Present) > 2.9 V6 Turbo Avant (Non GPF Models Only)

Part Details


Downpipes, Sport Cats & Manifolds






76mm (3")



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