Fabspeed Secondary X-Pipe for BMW M3 F80 / M4 F82 (2014–2020)

Replace the F80/F82 secondary catalyst section with a stainless bypass X-pipe. Choose the version for the Standard or M Performance exhaust; the standard-system removal requires minor cutting. Based in Fort Washington, Pennsylvania, Fabspeed Motorsport designs exhaust, intake and ECU-tuning products for Porsche and other sports cars. Development includes evaluation on a dynamometer, on the road and at the racetrack.

Technical Details

• Manufacturer product reference: FS.BMW.F8X.SCBXX. The selected option determines the complete supplied configuration.
• 14–16-gauge mandrel-bent T304L stainless construction.
• Machined flanges and braces.
• Separate Standard M3/M4 and M Performance connection choices.
• Minor cutting is required to remove the original standard-system section.
• F83 Convertible is excluded.
• Covered by the Fabspeed Lifetime Warranty, subject to its terms and exclusions.

Use restrictions

This pipe removes the factory secondary catalytic converters. Verify the requirements and permitted use of the vehicle-specific installation; absence of a fault light is not emissions approval.

Installation Resources

• BMW M3 & M4 Secondary Catbypass X-Pipe for Standard M3 & M4 Factory Exhaust System (PDF)

Manufacturer Videos

BMW F80 M3 / F82 M4 | Fabspeed Link Pipe + X-Pipe | Revs and Driving

Demonstration vehicles may have additional modifications. The selected product configuration determines what is supplied; a video does not establish fitment or guarantee a particular sound or output.

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Fitment & Compatibility