CTS Turbo Crossover Exhaust Pipe - G80/G82 M3/M3C/M4/M4C (S58)

Free ShippingSave 15%

$280.49 $329.99

Direct Ship!

Buy Now & Pay over time with

Product Questions & Answers

Product Questions & Answers

Be the first to ask a question!

Ask a Question


CTS Turbo is proud to announce the release of our BMW S58 G80/G82 M3/M3 Competition/M4/M4 Competition Crossover Pipe.

One area that can benefit from improvement is the exhaust system’s mid pipe design. The G80/G82 M3 and M4 utilize a Y-style mid pipe, with both downpipes located on the right side of the engine.

The left side downpipe connects to a “crossover” pipe that runs beneath the transmission and links up with the mid pipes on the left side. Unfortunately, the stock shape of the crossover pipe is oval to create enough clearance underneath the transmission. This alteration from a round tube to an oval causes turbulence within the pipe, leading to a restriction in exhaust flow.

We have developed a replacement crossover pipe that retains the round shape, eliminating the turbulence and restriction caused by the oval design. By doing so, we expect to significantly increase horsepower and torque, enhancing overall performance.


  • Durable 304 food-grade stainless steel, 3″ or 76mm diameter
  • Laser-cut flanges
  • Designed using the latest 3D scanning technology
  • LHD/RHD fitment
  • Exhaust flow simulated with CAD software to ensure optimal flow routing

What's Included:

  • CTS Turbo High-Flow Cats

Fitment Details:

  • 2021+ BMW S58 M3/M3 Competition
  • 2021+ BMW S58 M4/ M4 Competition

Vehicle Fitment

Model   + Drivetrain  
G80 M3 3.0T I6 [S58] +
G82 M4 3.0T I6 [S58] +
G83 M4 3.0T I6 [S58] +

Payment & Security

American Express Apple Pay Diners Club Discover Meta Pay Google Pay Mastercard PayPal Shop Pay Venmo Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Calculate Shipping

You may also like

Recently Viewed