BBK Tuned Length Shorty Headers - 1.75 in Primary - Stock Collector Flange - Titanium Ceramic - GM LS-Series - GM Truck 1999-2009 - Pair H762001XL but with any aftermarket EFI

but with any aftermarket EFI system that can accept a 0-5 volt input for monitoring Air Fuel Ratios

Be sure to check out all of our products from MSD including MSD Ignition Coils

Shift Improver Kit for 93-06 4L60E

Hands-Free Phone Grip

BBK Tuned Length Shorty Headers - 1.75 in Primary - Stock Collector Flange - Titanium Ceramic - GM LS-Series - GM Truck 1999-2009 - Pair H762001XL but with any aftermarket EFIThese BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99 09 GM Truck and SUV 6. 0L applications. Each header is manufactured with 1 5 8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds. BBK tuned Length headers offer improved scavenging waves for better combustion, which leads to improved performance and fuel