RACING 2PC REAR BUMPER DIFFUSER KIT. THESE DIFFUSERS ARE MACHINED FROM HIGH QUALITY CNC BILLET ALUMINUM AND ARE THEN ANODIZED IN BLACK/SLIVER FOR A QUALITY FINISH AND DURABILITY. THESE BUMPER DIFFUSERS ARE DESIGNED TO INCREASE VEHICLE AERODYNAMICS, REDUCE DRAG, AND IMPROVE FUEL ECONOMY. TH VMS RACING DIFFUSER IS A GREAT ADDITION TO YOUR VEHICLE TO GIVE IT THAT RACE CAR LOOK. EACH DIFFUSER IS INSTALLED USING THE INCLUDED STAINLESS STEEL HARDWARE.