Flowtech Warlock "BYPASS" Series Racing Muffler booty shorts This allows you to choose

This allows you to choose which shock series you want

90°/8° Combination Driving BeamOperating Voltage: 10-30V DCWaterproof Rating: IP67 & IP69KPolycarbonate LensTemperature Control SystemWorks with H1/H2 Wiring Harness (Sold Separately)

2007-2013 GMC Sierra 2500 HD WT Gas Extended Cab Pickup

2012 GMC Sierra 2500 HD CID 364 CC 5967 6

Flowtech Warlock "BYPASS" Series Racing Muffler booty shorts This allows you to chooseFlowTech's Warlock racing muffler may be too much for mere mortals. The high flow, low restriction patented 3 pass tube design provides lots of horsepower and a mean 'n nasty sound. But, when you're ready to battle the titans on the track, the Warlock lets you remove its Flow Intensifier bypass cap for un restricted, unbelievable straight through power!