Fmf Powercore 4 Hex Muffler 045521

• Overall increase in power and torque
• Durable stainless steel and aluminum construction
• Space Age internal packing material for maximum longevity
• Internal shape of core uses Hi-Flo technology
• Enhanced sonic evacuation provides for higher flow and increased power
• Includes removable spark arrestor

Beta -- 400 RR -- (2012, 2013, 2010, 2011); Beta -- 520 RR -- (2013, 2011, 2012, 2010); Beta -- 350 RS -- (2011, 2013, 2010, 2012); Beta -- 450 RR -- (2011, 2012, 2010, 2013); Beta -- 450 RS -- (2013, 2012, 2011, 2010); Beta -- 498 RR -- (2010, 2013, 2011, 2012); Beta -- 350 RR -- (2011, 2013, 2010, 2012); Beta -- 520 RS -- (2013, 2011, 2012, 2010)