GM 2500 Truck 6.0L 1999-2006 Long System QX56 / QX80 we've also got you covered

we've also got you covered with our C3 LS Swap Headers

and y-pipe along with all the necessary hardware and gaskets for a bolt-on installation

The system is available with 200 cell metallic substrate cats or off road

The venerable Lightning still commands respect and when high quality and outstanding performance is a must

ARH long tube headers long system for the 1999-2006 Chevy/GM Truck/SUV 4

GM 2500 Truck 6.0L 1999-2006 Long System QX56 / QX80 we've also got you coveredAmerican Racing Headers' long systems for the 1999 2006 2500 GM Truck were designed to bolt on to your factory axle back or any aftermarket axle back. Some modification may be required. If you have any question about fitment or connection point, please do not hesitate to ask our tech team! Here Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a warp