FMF 045702 Spark Arrestor Slip-On Muffler - 4-Stroke Q4

The FMF 4-Stroke Q4 Spark Arrestor Muffler delivers proven performance gains with a sound output that meets USFS-approved noise levels. This slip-on muffler features FMF's renowned Q4 design, engineered specifically for four-stroke off-road and dual-sport motorcycles.

Key Features:

• USFS-approved spark arrestor for legal trail riding on public lands
• Aerospace-grade aluminum canister construction for durability and light weight
• Proprietary internal baffling design for optimized power delivery
• Stainless steel mid-pipe and mounting hardware
• Signature FMF anodized finish resists corrosion and heat discoloration
• Easy slip-on installation with no jetting changes required
• Improved throttle response across the entire RPM range

The Q4 muffler combines race-proven performance with a responsible sound level, making it ideal for riders who demand both power and compliance with sound regulations. FMF's advanced engineering provides noticeable horsepower and torque gains while maintaining durability for years of hard use.