stock car with drop in filters only.

it's an unbelievable results when I see the dyno graph. I did 4 runs with and without racechip... the result is constant and the whp is amazing.

the higher end of the graph is very similar to other m3 and m4 cars with catless downpipe... drop in filters and tune.

#racechip #bmwm2 #bmwm2competition #mpower #m2 #bmw #bmwm #bmwmotorrad

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