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

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

Brand: Milltek


If you're looking for a way to improve the sound and appearance of your car, Milltek's Resonated (Quieter) Cat-Back Exhaust System is the perfect solution. This product is designed to be a direct replacement for your original system, making it easy to install and compatible with various car models, including Audi S4 and S5 non-sport diff models. One of the unique selling points of this product is its ability to give you control over the volume and tone of your exhaust. With multiple configurations available, you can choose the level of increase in volume and aggression that suits your preferences. This means you can enjoy a sportier sound without sacrificing comfort and convenience. Made from 304L "Aircraft" Grade stainless steel, this Cat-Back system is built to last. It can withstand harsh conditions and resist corrosion, ensuring that you get the most out of your investment. This quality material also contributes to the performance improvements you can expect from this product. In addition to the sound and durability benefits, Milltek's Resonated (Quieter) Cat-Back Exhaust System is designed to enhance the appearance of your car. The quad outlet design gives it a sleek and sporty look that complements the 435i M Sport Valance perfectly. This means you can upgrade your car's performance and style in one go. Installation is a breeze, thanks to the direct replacement design of this product. You won't need any additional modifications or special tools to install it, making it a hassle-free upgrade for your car. This also means that you can easily switch back to your original system if you decide to sell your car or make any other changes in the future. Overall, Milltek's Resonated (Quieter) Cat-Back Exhaust System is a high-quality and versatile product that can help you achieve the perfect balance between performance, comfort, and style. With its compatibility with various car models and easy installation process, you can enjoy the benefits of this product without any hassle. So why wait? Upgrade your car's exhaust system today and experience the difference for yourself!

Fitting Guide

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

Part Details


Cat & Filter Back Systems










76mm (3")



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