Motorcycles VRSC 1393 PSN . This Harley V-Rod Muscle motorcycle exhaust system proves that a performance exhaust can still be a beautiful set of pipes. In addition to the slipper clutch the V-Rod Muscle features satin chrome dual side exhaust with turnout mufflers. the Harley slipper clutch also comes on the VRSC Night Rod Special Harley-Davidson power motorbike. the "slipper" motorcycle clutch ("slip and assist") is a unique Harley clutch that provides smooth high-power handling in turns or whenever you downshift. Jetting out past the rear axle these dominating motorcycle pipes add to the fierce beefy look of the bike. the 240-millimeter wide tire in back also enhances the fat custom look of this power motorbike. 2011 Harley-Davidson V-Rod Muscle TAB PIPES SUPER TUNER! the 2011 Harley-Davidson V-Rod Muscle VRSCF power motorbike is full of power cruiser style performance and ride enhancement features including a "slipper" Harley clutch. By reducing clutch friction the V-Rod Muscle slipper clutch helps keep your rear wheel at a controlled clip...