F8X F80 F82 M3/M4 Undertray Diffuser N55 Replaces your weak factory plastic

Replaces your weak factory plastic N54/N55 intake manifold with a direct fit high flow high strength aluminum manifold

If you already have a software program for your B58 chances are these tune files are already pre-loaded into your software waiting for you to flash after your downpipe is installed

5" wrinkle black coated aluminum pipes

Aftermarket EKP Required: No

F8X F80 F82 M3/M4 Undertray Diffuser N55 Replaces your weak factory plasticF8X M3 M4 4 Piece Diffuser EXPECTATION: 2X2 Carbon Fiber Weave High Gloss Clear Coat Excellent Fitment Professional Installation is required NOTE: Diffuser requires professional installation from experience aftermarket parts installer. Expect 3 4 hours installation time . No instruction is included .