MUFFLER HEX Q4 S/A KX450F XTRIG YFA1 89-04

YFA1 89-04

style and type of riding

Reduction of forces to limit knee injuries:

CR250R 88-90

- APRILIA MANA 850 2008 2009 2010 2011 2012 2013 2014 2015 2016

MUFFLER HEX Q4 S/A KX450F XTRIG YFA1 89-04Q4 Hex Slip On Muffler The Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you dont need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off road endurance Made in the U. S. A. NOTE: Will not pass 2025 FIM sound regulation Specification Model: Q4 HEX Material: Aluminum