Take your M3 / M4 to the next level with JB4 and our M3 / M4 Downpipes!
PLM Private Label Mfg. downpipes are designed to improve your turbo charged vehicles performance. PLM Power Driven BMW M3 / M4 3-inch downpipes 2014+ ( S55 ) DOWN PIPES (CATLESS) are no exception, these pipes are made from stainless steel. They connect with a 3" diameter opening and V band flange. Rather than necking down closer to the turbos like most of our competitors, our 3" catless downpipe feature a full 3" design up to the last couple of inches of the pipe which allows an increase of flow.The larger diameter design will improve exhaust flow, keep boost pressure up and provide improved throttle response. This down pipe eliminates the catalytic converters. Each down pipe has 2 oxygen sensor locations. Thick flanges and increased flow make these down pipes a must have for all BMW enthusiasts.
Smooth radius bends to decrease turbulence and increase flow.
Gains up to 25 whp and 30 wtq with tunning (+40whp more with JB4) - Possible 80whp+
Heavy duty Mandrel bent stainless steel
Brushed Stainless steel finish
Additional wideband o2 bungs
Direct, bolt in replacement
Fully Tig welded
More aggressive exhaust sound
2014+ F80/F82/F83 BMW M3 & M4