US$ 144.00
Billet aluminum differential bushings
6 AN Dual Outlets
3 rating and is available in black
Provides up to 57% reduction
Steel Head / Wood Handle
ButlerBuilt Dual Hose, Bumper Mount Duct - 9.5" x 5.0" 4122LRGBU Billet aluminum differential bushingsButler Built Air Ducts are used by many top NASCAR competitors. Computer aided design (CAD) provides optimum aerodynamic shape for smooth uninterrupted air flow. The NACA ducts can be installed in side windows or body panels to direct cool outside air to brakes, oil coolers or cockpit. Racers have chosen BUTLERBuilt Professional Seat Systems for their seating needs for decades. BUTLERBuilt has always been proactive in their approach to seating issues.