Milltek Sport
BMW 4 Series F32 428i Coupé (Manual Gearbox‚ without Tow Bar‚ None xDrive & N20 Engine Only)2014 Large Bore Downpipe and Hi-Flow Sports Cat Requires a Stage 2 ECU remap and must be fitted with a Milltek Sport cat-back system. Tip Style: Pipe Diamater Inches:3