Supersprint BMW G80 M3, G81 M3, G82 M4 & G83 M4 Stainless Steel "J-Pipe" with Metallic Catalytics SUPRA (A90) ENGINE & PERFORMANCE 2-Row 42mm Core (Dual Core)

2-Row 42mm Core (Dual Core) utilizing CSF's proprietary B-Tube Technology for enhanced cooling efficiency

this diffuser remains a stunning visual upgrade

The HARDRACE Rear Differential Mount Bushing - Non M3 Use (Hardened Rubber) (part no

As the Suspension Secrets Front Offset Caster Bushes for the BMW F87 M2 are solid they do not flex like the original bushes

Supersprint BMW G80 M3, G81 M3, G82 M4 & G83 M4 Stainless Steel "J-Pipe" with Metallic Catalytics SUPRA (A90) ENGINE & PERFORMANCE 2-Row 42mm Core (Dual Core)The Supersprint "J Pipe" with Metallic Catalytics is a precision, direct fit stainless steel upgrade engineered for the BMW G80 M3, G81 M3, G82 M4 & G83 M4. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your BMW a deeper, more purposeful note. Supersprint has been handcrafting performance exhausts in Mantova, Italy since 1955. Every system is designed and validated on the dyno not by