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Non-Resonated (Louder) Cat-Back Exhaust Systems (For 435i M Sport Valance)
Non-Resonated (Louder) Cat-Back Exhaust Systems (For 435i M Sport Valance)

Non-Resonated (Louder) Cat-Back Exhaust Systems (For 435i M Sport Valance)

Brand: Milltek


Looking to enhance the sound and appearance of your BMW 428i Coupé? Look no further than the Non-Resonated (Louder) Cat-Back Exhaust Systems from Milltek. This high-quality exhaust system is designed to be a direct replacement for your original system, and is available in multiple configurations to give you complete control over the volume and tone of your exhaust. One of the standout features of this exhaust system is its compatibility with the BMW 435i M Sport valance. This means that not only will your car sound amazing, but it will also look the part with a sleek and stylish rear valance that perfectly complements the aggressive tone of the exhaust. At Milltek, we pride ourselves on using only the highest quality materials in our products. That's why we use 304L "Aircraft" Grade stainless steel in the construction of our Cat-Back systems. This material is incredibly durable and resistant to corrosion, ensuring that your exhaust will last through even the harshest conditions. Installation of the Non-Resonated (Louder) Cat-Back Exhaust System is a breeze, thanks to its direct replacement design. This means that you won't need to make any modifications to your vehicle in order to install it, and you can enjoy the benefits of your new exhaust right away. But the benefits of this exhaust system go beyond just the aesthetic and audible improvements. By increasing the flow of exhaust gases, you'll also see a performance improvement in your vehicle, with increased horsepower and torque. So not only will your car look and sound amazing, it will also perform better than ever before. In summary, the Non-Resonated (Louder) Cat-Back Exhaust System from Milltek is the perfect choice for anyone looking to enhance the sound and appearance of their BMW 428i Coupé. With its high-quality construction, easy installation, and performance improvements, this exhaust system is the ultimate upgrade for any BMW enthusiast.

Fitting Guide

BMW > 4 Series > F32|F33 (2013 - Present) > 428i Coupé (Automatic, Without tow bar, Non X-Drive and N20 Engine Only)

Part Details


Cat & Filter Back Systems










76mm (3")



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