AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 RS5 (B8) This way you are guaranteed

This way you are guaranteed to get tuning which will serve you for a very long time while retaining its great looks all throughout

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AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 RS5 (B8) This way you are guaranteedBy replacing the restrictive primary catalytic converters located in the original downpipes with specially designed high flow sports cats, or removing them entirely with our optional de cat downpipes, back pressure is reduced, which effectively improves the engines breathing by allowing it to expel gases more quickly. This in return means faster throttle response, increased power output and a more aggressive exhaust note. Complete with replacement