MAD BMW M2 M3 M4 G87 G80 G82 S58 Secondary Cats Delete

The MAD Secondary Cat Delete Pipes clear out the restrictions of the factory secondary catalytic converters on your S58 M2/M3/M4. Better exhaust flow and lower backpressure improve turbo spool and unlock a more aggressive, deeper exhaust tone.

Why MAD

• Fabricated from high-quality T304 stainless steel with mandrel bends for durability and flow.
• Precision TIG-welded seams for long-lasting performance.
• Slip-on design that simplifies installation, with heavy-duty stainless steel clamps included.
• Improved exhaust flow, more power and a deeper, sportier tone.

Fitment

• 2020+ BMW G80 M3
• 2020+ BMW G82/G83 M4
• 2020+ BMW G87 M2

Emissions disclaimer: This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.

Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.