Frequently bought together:
    
    
    Description
- The Q4 employs intricate chambers, baffles and proprietary multistage packing material
 - With the Q4 you don?t 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.