SLN S55 Equal Length Mid Pipe with Under-Brace - BMW F80 M3 | F82 | F83 M4 S1 (8X) which you would rather have

which you would rather have

which is why the car feels more responsive and is able to accelerate faster through the gears

Based on a NEW MHI Turbocharger

and aggressive growl and bark throughout the rev range

All Mosfets replaced

SLN S55 Equal Length Mid Pipe with Under-Brace - BMW F80 M3 | F82 | F83 M4 S1 (8X) which you would rather haveONLY COMES NON RESONATED, NO SILENCERS INCLUDED Enhance the performance of your BMW S55 M3 M4 with the SLN Performance EL Mid Pipe. This high quality performance part from SLN is designed to perfectly fit your vehicle, ensuring maximum power gains and improved exhaust flow. Crafted from premium materials and constructed to exacting standards, this mid pipe will not only enhance the sound of your exhaust system but also improve the overall performance