Mastermind X pipe
So.. Who has the mastermind x pipe and has actually done a independent dyno?
I slapped one on and my butt dyno (just driving around) makes me feel the car has lost low end torque and got slower..
I have the catless with a resonator.
15 YMB F80 M3 | iND Painted Front Reflectors, Painted Side Marker Set, Rear Painted Emblem & Front Grill Surround| KW 3 Way Clubsport | Gintani Downpipes | Macht Schnell Stud Conversion Kit | JB4 | Too many wheels to list
*Track Day: December 19 @ Willow Springs Raceway