− Decrease quantity for QTP 14-18 Chevrolet Silverado 1500 4.8L/5.3L EC/CC Standard Bed 3in 304SS Aggressor Cutout Mid Pipe Quantity + Increase quantity for QTP 14-18 Chevrolet Silverado 1500 4.8L/5.3L EC/CC Standard Bed 3in 304SS Aggressor Cutout Mid Pipe Out of stock