Extra kick with less weightUnique first in the industry; Dual Stage acoustical designPull up to five more horsepower from the sled's motor, depending on the applicationSaves up to 9 lb. of dead weightRumble Pack Silencer Kits attach to stock exhaust pipes and include complete instructionsNo modifications to belly pan required for installationAvailable in triple- or single-canister designs with nickel-chrome plating for a lasting finish