FMF Q4 HEX S/A Slip-On Exhaust Yamaha YZ250F / YZ250FX

Loud pipes might save lives on the street but in the dirt sound is the number one killer of riding trails and regulated track hours. If you have been searching for a performance enhancing muffler that does not wake the dead, then the FMF Q4 HEX is the muffler for you. FMF approached the design process of the Q4 HEX with the goal of achieving more power, while keeping noise levels to a minimum. After countless hours of testing, FMF proved you don't have to settle for a plugged up, horsepower-robbing moto muffler to remain sound compliant.

Features:

• Less sound equals more ground (helps keep our riding areas open)
• 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
• Can be used with stock or FMF Header
• Weight: 5.6 lbs
• 100% Made in the USA