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The Perfect Milltek Cat Back (road+) With Titanium Oval Trims For Audi Rs4 B9 2.9 V6 Turbo Avant (non Opf/gpf Models) 2018-2026 Instant 35% Discount [CXfeB9tW]

$85.99 $275.99 -69%

Milltek Cat Back System for Audi RS4 B9Experience the ultimate in performance and style with the Milltek Cat Back (Road+) system designed specifically for the Audi RS4 B9 2.9 V6 Turbo Avant (Non OPF/GPF Models). This high-quality exhaust system is en

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The Perfect Milltek Cat Back (road+) With Titanium Oval Trims For Audi Rs4 B9 2.9 V6 Turbo Avant (non Opf/gpf Models) 2018-2026 Instant 35% Discount [CXfeB9tW]

Milltek Cat Back System for Audi RS4 B9

Experience the ultimate in performance and style with the Milltek Cat Back (Road+) system designed specifically for the Audi RS4 B9 2.9 V6 Turbo Avant (Non OPF/GPF Models). This high-quality exhaust system is engineered to enhance both the power and aesthetics of your vehicle. With its Titanium Oval Trims, it adds a sleek and modern touch to your Audi, making it stand out from the crowd.
  • Performance Enhancement: The Milltek Cat Back system is designed to improve exhaust flow, resulting in increased power and torque for your RS4 B9.
  • Stylish Design: The Titanium Oval Trims provide a distinctive and sophisticated look, complementing the aggressive aesthetics of the Audi RS4 B9.

Compatibility and Installation

This exhaust system is exclusively compatible with the Audi RS4 B9 2.9 V6 Turbo Avant (Non OPF/GPF Models) from 2018 to 2026. It is designed to be easy to install, ensuring a seamless fitment without any modifications to your vehicle. For those who wish to bypass the OPF/GPF systems, the Milltek OPF/GPF Bypass System is available, requiring a Stage 2 ECU Remap or an OPF/GPF Bypass Module (available from www.leib-engineering.de).
  • Easy Installation: The system is designed for a straightforward installation process, allowing you to enjoy the benefits without the hassle.
  • Compatibility: The system is specifically designed for the Audi RS4 B9, ensuring a perfect fit and optimal performance.

GT-115 Polished Trims for BMW X4

In addition to the Audi RS4 B9 system, Milltek also offers the GT-115 Polished Trims for the BMW X4, X4M, and X4M Comp (G02) with the 3.0 OPF/GPF S58 Engine (LCI only) from 2022 to 2026. These trims are a perfect match for vehicles with the OPF/GPF S58 Engine, adding a touch of elegance and performance to your BMW X4.
  • High-Quality Materials: The GT-115 Polished Trims are made from durable materials, ensuring long-lasting performance and aesthetics.
  • Custom Fitment: The trims are designed to fit perfectly on the BMW X4, enhancing its overall look and feel.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

It’s a very well-made, extremely nice tool.

- Kasen L..

January 22, 2026

Absolutely no complaints!

A product that delivers on every front.

- Willow V..

January 22, 2026

Absolutely no complaints!

A fantastic product. I really love it.

- Jazmine L..

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