ARM S58 Crossover Pipe - G8X M2/M3/M4 G83 m4 oil cooler This is important when pushing

This is important when pushing the factory fuel system with all the power Ethanol can provide over petrol

Bespoke dry high flow filter

Arrive to the track with balanced wheels and tires

Stage 1 91 octane: up to 16% HP / 26% TQ

ARM S58 Crossover Pipe - G8X M2/M3/M4 G83 m4 oil cooler This is important when pushingHIGHLIGHTS Exotic Exhaust Sound Precision Laser Cut Flanges Fits OEM and Upgraded Midpipes SS304 Stainless Steel 4lbs Lighter Than OEM PROFILE The ARM S58 Crossover Pipe is designed to replace the restrictive OEM S58 crossover pipe with a fully round design to improve exhaust flow. The ARM S58 Crossover Pipe retains a round form, eradicating the turbulence and constraints of the OEM oval design. Upgrading your S58 with the ARM Crossover Pipe results