Upgrade your 8HP7X transmission with proven components from ATS designed for improved torque capacity

delivering enhanced speed and bandwidth compared to the G4+ Atom II

BMW S38B36 Applications:

425 (driver side)996

To retain factory functionality

Race-Spec P54 Headers for E46 M3 by 5150 AutoSport 23-65000H Upgrade your 8HP7X transmission withThe 5150 AutoSport Race Spec P54 Header for E46 M3 is engineered for serious motorsport performance, drawing direct inspiration from BMWs legendary P54 race engine. Designed to maximize exhaust flow and reduce backpressure, this header is built to support high revving S54 engines under extreme racing conditions. Crafted from high grade stainless steel, it delivers exceptional durability and thermal stability while maintaining precise fitment for the