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Holiday Special Milltek Secondary Cat Bypass - Resonated - Fits To Oe Downpipes & Axle Back System Only - Requires Oe System To Be Cut For Bmw 4 Series G82 M4 & M4 Competition S58 3.0 Turbo (north American / Row Non-opf/gpf Cars Only) 2021-2026 Limited Time 95% Off [ryWpnxeJ]

$63.99 $204.99 -69%

Milltek Secondary Cat Bypass for BMW 4 Series M4Introducing the Milltek Secondary Cat Bypass, the ultimate performance upgrade for your BMW 4 Series M4 (G82) and M4 Competition S58 3.0 Turbo. Designed specifically for North American and ROW Non-OPF/G

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Milltek Secondary Cat Bypass for BMW 4 Series M4

Introducing the Milltek Secondary Cat Bypass, the ultimate performance upgrade for your BMW 4 Series M4 (G82) and M4 Competition S58 3.0 Turbo. Designed specifically for North American and ROW Non-OPF/GPF cars, this bypass system is a game-changer for enthusiasts seeking to unleash the full potential of their vehicle. The Milltek Secondary Cat Bypass is engineered to fit seamlessly with your OE downpipes and axle back system, providing a direct path for increased airflow and enhanced power output.

Engineered for Performance

This high-quality bypass system is crafted from durable stainless steel, ensuring longevity and reliability. The resonated design minimizes exhaust backpressure, allowing for a more responsive and powerful engine performance. The Milltek Secondary Cat Bypass is designed to be compatible with your OE downpipes and axle back system, requiring no additional modifications to your vehicle. This means you can enjoy the benefits of a custom exhaust setup without the hassle of extensive modifications.
  • Seamless fit with OE downpipes and axle back system
  • Resonated design for optimal airflow and power
  • Durable stainless steel construction for long-lasting performance

Unleash Your BMW's True Potential

Upgrade your BMW 4 Series M4 or M4 Competition with the Milltek Secondary Cat Bypass and experience the thrill of enhanced performance. Whether you're driving on the highway or hitting the track, this bypass system will provide a noticeable increase in power and acceleration. The bypass is designed for daily driving, ensuring that you can enjoy the benefits of a high-performance exhaust system without sacrificing comfort or convenience. This product is perfect for both the everyday driver and the performance enthusiast looking to make a statement with their vehicle.
  • Noticeable increase in power and acceleration
  • Engineered for daily driving comfort
  • Perfect for both the everyday driver and performance enthusiast

What Our Customers Say

January 2, 2026

Absolutely no complaints!

It's a smart design that works beautifully.

- Clarissa K..

January 2, 2026

Absolutely no complaints!

A very clever and resourceful product.

- Alice B..

January 2, 2026

Absolutely no complaints!

An excellent tool that is very, very handy.

- Finley U..

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