REVTRONA S58 Single Midpipe – BMW X3M / X4M 3.0T

A refined exhaust upgrade designed to unlock a deeper, more aggressive tone while improving overall exhaust flow.

This single midpipe setup enhances the character of the S58 engine without compromising daily drivability, delivering a sharper, more performance-focused sound under acceleration. Constructed from high-grade stainless steel with mandrel-bent piping and precision TIG welding, it ensures smooth airflow, durability, and a clean OEM+ fit.

Designed as a direct bolt-on replacement, it integrates seamlessly with the factory system while increasing volume and bringing out a more pronounced turbo character.

BMW X3M F97 (S58 3.0T)
BMW X4M F98 (S58 3.0T)

All Apex Design parts are supplied with a 1 year warranty.