Make it loud, make it quiet, make it yours. The Patented Varex valved universal mufflers provides enthusiasts with a setup that’s as quiet as the stock exhaust when you want, or that unleashes the sound of your beast when you want, all using one of the two supplied key fobs. Toggle between closed,25%,50%,75% and fully open valve positions to suit your needs. To take it to the next level, add a SmartBox for the ultimate in control using our patented Bluetooth smartphone app to provide pre-set automatic valve control, geo fencing and more. The muffler body measures 10” x 6" High x 15” long and utilizes a flanged 2.5” centre-in, 2.5” single-wall centre-out configuration, for easier installation. Varex valve technology Varex Valved Muffler 2.5" inlet with 10"x6"x15" body All wiring and key fob remotes included 2.5" straight through design internal Allow 2 inch clearance for actuating motor when fitting.