ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System Quad Chrome Silver Tips BMW M3 | M4 F8x 15+To harvest the full potential of the M3 M4 engine, we utilize quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build our valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory

One adapter for BMW selector shaft

Unitronic 3" Golf R Mid-Pipe w/ Resonator

MFR Part #   1100900300

Improve exhaust flow

The block breather fitting installs in place of the factory plastic hose on your stock oil cooler housing

T6061 cast Aluminum end tanks

StopTech 2-piece calipers have the lowest amount of flex and deflection among 25 of the leading caliper models (including some monoblocks) from well-known manufacturers

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Included in the kit is the spacer

NEW Height Adjustable Perches

These improvements can be attributed to our large high-density intercooler core

The Revo disc upgrade is designed to directly replace the stock discs and comes complete and ready to fit with left and right-handed