Firestone Ride-Rite: 2550 - Rear Kit Without Compressor LBZ / LMM Duramax " this makes these manifolds thicker

this makes these manifolds thicker to combat cracking due to high exhaust temperatures

To lower restriction even further we have gone to a 5 bolt mounting design

The Genuine Bosch reman Injectors are the pinnacle of what you should expect out of new set of injectors

Turbo utilizes high flow T4 turbine housing

Firestone Ride-Rite: 2550 - Rear Kit Without Compressor LBZ / LMM Duramax " this makes these manifolds thickerDetails & Benefits Enhances safe load carrying capacity, stability, ride quality, and brake effectiveness Most kits are No Drill systems, easily installing in 1 2 hours Installation No Drill In Bed Hitch Compatible Min Air Pressure 5 PSI Max Air Pressure 100 PSI Fill kit Manual Fill kit Load Capacity 5000 LBS