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.
Current: 15 991 GT3 & 15 i3 | Past: 15 YMB F80 M3, 13 E92 M3 DCT, 08 E92 M3 6MT, 07 E60 M5, 02 E46 M3, 06 E90 325
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