FMF Racing Q4 HEX S/A Muffler 045646

The FMF Q4 HEX S/A 045646 is the next evolution in off-road exhaust, engineered to quiet the ride without sacrificing power. Its design uses intricate chambers, baffles, and proprietary multistage packing to deliver strong performance while meeting strict sound standards.

Key benefits include increased exhaust flow that translates to horsepower and torque gains across the entire RPM range, a lighter-than-stock feel, and improved throttle response. The system comes with a spark arrestor for regulated riding areas and is built to withstand harsh off-road conditions, offering rugged durability and long-lasting operation.

Construction emphasizes premium materials and a lightweight, durable silhouette that reduces weight while maintaining strength. The Q4 HEX Slip-On is designed for easy installation on compatible off-road motorcycles, providing a noticeable upgrade in both performance and sound quality. It’s built to resist corrosion and thermal stress, making it suitable for demanding environments and repeated rides.

FMF positions this muffler as a standout in quiet exhaust technology, proudly manufactured in the USA and marketed as a dedicated quiet exhaust solution for off-road use. If you’re seeking a performance-focused slip-on that respects sound regulations without compromising on power, the Q4 HEX 045646 is a compelling option for riders who demand both quiet operation and reliable, repeatable performance on the trail.

• Enhanced exhaust flow for horsepower and torque gains
• Lightweight yet rugged construction
• Includes spark arrestor for compliant riding
• Meets USFS and FIM World Enduro sound regulations
• Durable, corrosion- and heat-resistant materials
• Easy slip-on installation for select off-road models
• Made in the USA; dedicated quiet exhaust system

FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!

-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 USA

The FMF Racing Q4 Muffler model 045646 is designed to enhance the performance and sound of your off-road motorcycle. Crafted with precision and durability in mind, this muffler provides improved exhaust flow, resulting in increased horsepower and torque. Its robust construction ensures long-lasting operation even in demanding riding conditions, making it an ideal choice for riders seeking reliable and high-performance exhaust components.

The FMF Q4 Muffler features a lightweight design that minimizes overall weight without compromising strength. Its efficient design helps reduce exhaust backpressure, contributing to smoother throttle response and better fuel efficiency. Easy to install, this muffler seamlessly fits compatible off-road motorcycle models, providing an upgrade that elevates both performance and sound quality.

Constructed from premium materials, the FMF Racing Q4 Muffler offers excellent resistance to corrosion and thermal stress. Whether you're racing or riding for leisure, this muffler delivers consistent performance and a distinctive sound. Trust FMF Racing's reputation for quality and innovation to upgrade your motorcycle’s exhaust system for an optimal riding experience.

Features:

• Enhanced exhaust flow for increased horsepower and torque

• Lightweight yet durable construction

• Improves throttle response and fuel efficiency

• Corrosion and thermal stress resistant materials

• Easy to install compatible with select off-road motorcycle models