Sil Pciv Crf/Xr/80/100 '01-11

Features:

• The latest version of the Powercore 4 design incorporates a hi-flow core which has more surface area to absorb more sound while flowing more exhaust
• Constructed with an extruded aluminum canister, a stainless steel mid-pipe that is MIG/TIG welded and has space age internal packing
• Lighter, stronger and more powerful than stock exhausts
• Powercore 4 S/A has a U.S. Forestry approved maintenance free, stainless steel spark arrestor screen