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OPF/GPF Bypass - Non-Resonated (Louder)

OPF/GPF Bypass - Non-Resonated (Louder)

Brand: Milltek


If you’re looking for a Milltek cat-back system for your GPF equipped BMW M3 or M4, the OPF/GPF Bypass - Non-Resonated (Louder) is the perfect choice for you. This cat-back system is designed to give you an increase in volume and a more aggressive tone, without sacrificing performance. With its 304L “Aircraft” Grade stainless steel construction, you can be sure that this cat-back system will last through any harsh conditions. Plus, with its twin outlet design, you’ll be able to customize the sound of your exhaust to your preference. With Milltek, you can be sure that you’re getting the highest quality performance exhaust system on the market and with the OPF/GPF Bypass - Non-Resonated (Louder) cat-back system, you won’t be disappointed. So don’t wait any longer and get yours today.

Fitting Guide

BMW > 3 SeriesBMW > 4 SeriesBMW > 3 Series > G80 (2020 - Present)BMW > 3 Series > G80 (2020 - Present) > M3 & M3 Competition S58 3.0 Turbo (GPF Equipped Cars Only)BMW > 4 Series > G82 (2020 – Present)BMW > 4 Series > G82 (2020 – Present) > M4 & M4 Competition S58 3.0 Turbo (GPF Equipped Cars Only)

Part Details


Cat & Filter Back Systems








76mm (3")



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