BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic Exhaust- Mufflers & Tips>Exhaust Brakes The Touring sound level delivers

The Touring sound level delivers a mellow sound that provides just a little more body and volume when compared to stock

Form-A-Shield(TM) can be applied directly to hot surfaces helping to lower under hood temperatures while keeping more heat in the exhaust system

As the leader in air suspension products for more than 65 years

Includes: Bosch LSU 4

BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic Exhaust- Mufflers & Tips>Exhaust Brakes The Touring sound level deliversThese BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99 04 GM Truck and SUV 4. 8L and 5. 3L applications. Each header is manufactured with 1 5 8 in. 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