Developed over yFMF is the leader in high performance quiet technology and our Q4 Hex is the next evolution in off road exhaust. The Q4 Hex employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. A Patented core shape lowers sound levels while maintaining maximum power output, and the five –sided canister shape increases internal volume allowing for the use of more sound absorbing material. With the Q4 Hex you don’t need to hear the power, just feel the power!
Removable spark arrestor included
Use with stock or FMF header
Constructed from aircraft grade aluminum and high strength stainless steel
Max Sound output 96dB; most models below 93dB
Developed over years of championship off-road racing
Less sound equals more ground
Meets USFS and FIM World Enduro sound regulations
Power gains throughout the entire rpm range
Spark arrestor included
Pounds lighter than stock
Rugged design for off-road endurance
Only US manufacturer to offer dedicated quiet exhaust systems
Made in the USAears of championship off-road racing
Twin-stage core design for lower sound output and extended life of packing material
Comes standard with spark arrestor
Shipping weight: 8.00 lbs
Shipping size (L x W x H): 37.00 x 6.50 x 6.50 inches
Made in US
Sold as: EA
This is a vehicle specific fit product, please select your vehicle for correct fitment
