BBK 1515 1-5/8" Shorty Tuned Length Performance Exhaust Headers for Ford Mustang 5.0L - Chrome Finish Bolt on 10-15 HP with these BBK Shorty Unequal Length Exhaust Headers Fit all 1986-1993 Ford Mustang 5.0 Applications - Custom Nickel Chrome Finish Direct "Perfect" Fit Replacement Exhaust includes All New Gaskets and Hardware and Offers Improved Performance and Sound Over Restrictive Stock Systems Aircraft Quality Construction, Heavy Gauge 1-5/8" Tubing, 3/8" Laser Cut Flanges, Large Bore Patented Designed Collectors and Custom Precision Hand and Robotic Welds for Long Lasting Quality CNC Mandrel Bent Tubing For Maximum Exhaust Flow For Maximum Performance 50 State Smog Legal CARB D-245-8 - BBK is your Number One Aftermarket Performance Brand - Made In USA