Bushwacker 20-21 GMC Sierra 2500/2500HD/3500HD (Excl. Dually) Pocket Style 4pc Flares - Blk Fuel Delivery>Fuel Filters 3-angle velocity stac Quantum uses

3-angle velocity stac Quantum uses a dyno tuned

The serrated/helix combination design also reduces intake whistle that occurs with helix-only designs (US PAT 07055513)

Perfectly fine

driving lights

This is how we truck

Bushwacker 20-21 GMC Sierra 2500/2500HD/3500HD (Excl. Dually) Pocket Style 4pc Flares - Blk Fuel Delivery>Fuel Filters 3-angle velocity stac Quantum usesWith their recessed stainless steel bolts and massive presence, Pocket Style Fender Flares are a Bushwacker original and an off road icon. They give you the hard core look of bolt on flares, with no body side sheet metal drilling required. Pocket Style Fender Flares are custom designed for your vehicle to complement oversized tires and high clearance lift kits. You can mount them right out of the box with their tough, OEM style matte black finish