Royalty Core RC88 Billet Headache Rack 07.5-19 GM 6.6L Duramax PF-R3SBD100 Tuning Required In order for

Tuning Required In order for this kit to function properly

safe gain of up to 21 horsepower and 46 lb-ft of torque

No start at all

This stabilizer kit will tie the bottom of your drop hitch to the frame increasing the rigidity substantially and providing a safe towing experience

boost engine functions

Royalty Core RC88 Billet Headache Rack 07.5-19 GM 6.6L Duramax PF-R3SBD100 Tuning Required In order forAdd style and function to the bed of your GM Duramax. The RC88 Headache Rack features T6 billet aluminum mesh that is hard wearing and serves as the last line of defense for your window. Royalty Core's RC88T Headache Rack is constructed from T6 Billet Aluminum Mesh which enables maximum visibility and keeps your cab cooler from the sun's rays. The same custom studs from Royalty Core's grilles hold a removable centerpiece for slider window access. You