MUFFLER HEX Q4 S/A CRF450 MUFFLERS FOR ATV high-performance gear oil was specially

high-performance gear oil was specially developed for use in races at the highest international level and has been utilised accordingly

RM 250 94-04

EXC 400 Racing 2004

Rely on high quality workmanship and visionary products

MUFFLER HEX Q4 S/A CRF450 MUFFLERS FOR ATV high-performance gear oil was speciallyQ4 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 Muffler Material: Aluminum Pipe