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"Double the power" of what? The MPPK? Don't fool yourself into thinking that. The MPPK puts out WAY more than the advertised extra 20 HP. Catless downpipes are fine for a track car, but will screw up the engine management on a daily driver, regardless of the "fixes" provided by the piggybackers. All this "efficient dynamics" stuff is making those kind of mods much more of a risky venture.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey |