BMW B58 F series PWR 4,5" DECAT DOWNPIPE F30 Our aim was to address

Our aim was to address 2 main criteria: 1) Increased flow rate

The mandrel bent aluminum pipe replaces the brittle factory plastic pipe which can fail under increased boost pressure

These Alpha Competition stainless steel decat downpipes

designed to give full control over supplemental port injection

BMW B58 F series PWR 4,5" DECAT DOWNPIPE F30 Our aim was to addressThis PWR decat downpipe made from high quality mandrel bent and TIG hand welded T304 stainless steel is a direct bolt on upgrade for the B58 engine of the BMW 140i 240i 340i 440i. With a high manufacturing quality, this 4,5" downpipe is for sure the best bang for your buck on the market ! Direct bolt on 100% T304 grade stainless steel 4,5" 110mm diameter TIG Welded Aggressive tone Hardware included Lifetime warranty