BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic (40470) 25215 AI4-XTG6 kit features an Xtreme

AI4-XTG6 kit features an Xtreme pressure plate for the most demanding driver

Burst Pressure: 10

and tachometer signals on to a CD Carbon Digital dash through AEMnet CAN bus

HA1-HDG4 kit features ACT's most popular Heavy Duty pressure plate

BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic (40470) 25215 AI4-XTG6 kit features an XtremeThese BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 14 18 Chevrolet GM 5. 3 6. 2 Full Size Truck applications. Each header is manufactured with 1 3 4" 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