Leo Vince Factory R EVO II Slip-On Ducati Monster 1100 EVO 2011-2012 LeoVince offers the ultimate motorcycle slip-on exhaust with the SBK Factory R . Some exhaust manufacturers have only a handful of muffler designs, but LeoVince offers more than 400 muffler designs to ensure maximum power and aesthetics for each motorcycle. Factory R slip-ons offer many performance advantages developed on the race track and are a perfect fit for sportbikes, standards and naked bikes. The Factory R slip-on makes a statement with its all Titanium muffler construction, Titanium or Carbon Fiber sleeve, and slash-cut Carbon Fiber end cap. The Factory R slip-ons also offer CAD/CAM design for precise fit Substantial weight savings over the stock exhaust All-Titanium internal muffler construction Mid-pipes constructed of TIG-welded 304 Stainless Steel Increased horsepower across RPM range (linear power) Technical Carbon Fiber muffler straps and end-caps A deeper exhaust tone at a reasonable sound level Removable EVOII sound insert for more aggressive tone Machine-specific tuning to work with the stock fuel settings Most applications NOTE Please check local laws before purchasing. Some modifications may be prohibited in some states.