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2012-2013 Arctic Cat Prowler XT 550i
1987-2003 Yamaha YFM350X Warrior
2015-2019 Yamaha WR250F
Enhance performance at all rpm
2000 Harley Davidson FLHRI Road King
Fmf Racing 045646 Q4 HEX Spark Arrestor Slip-On engine-oil-filters 2012-2013 Arctic Cat Prowler XTFMF is the leader in high performance quiet technology and their Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you dont need to hear the power, just feel the power!. Less sound equals more ground. Meets USFS and FIM World Enduro sound regulations. Power gains throughout the entire rpm range.
