FMF BMW N54 2-BOLT DOWNPIPE-TO-CATBACK FLANGE / CAT-BACK FLANGE FMF Upgrade your BMW N55 exhaust

Upgrade your BMW N55 exhaust system with our precision-machined 4" downpipe flange

or replacing a worn-out flange

and long-lasting durability

Maximize the performance of your B5 Audi S4 with the Fusion Motorsport Fabrication (FMF) Turbo Outlet Flange / Down-pipe Flange

and resistance to corrosion—perfect for both street and track applications

FMF BMW N54 2-BOLT DOWNPIPE-TO-CATBACK FLANGE / CAT-BACK FLANGE FMF Upgrade your BMW N55 exhaustFMF BMW N54 2 Bolt Downpipe to Catback Flange Cat Back Flange 3 8 304 Stainless Steel Upgrade your BMW N54 powered exhaust system with the Fusion Motorsport Fabrication (FMF) 2 Bolt Downpipe to Catback Flange, designed for seamless integration between your down pipe and cat back exhaust. Crafted from premium 304 stainless steel, this flange ensures maximum durability, heat resistance, and a precise fit, making it the ideal solution for custom