FMF 4-Stroke Premier 4.1 Muffler Repack Kit

FMF 4-Stroke Premier 4.1 Muffler Repack Kit

This high-performance kit is designed specifically for FMF's 4-stroke 4.1 systems, restoring them to factory-fresh specifications. Unlike traditional fiberglass matting, the Premier kit utilizes a unique blend of high-temperature resistant fibers capable of withstanding the intense heat and pressure generated by modern high-performance 4-strokes. Regular repacking not only maintains compliance with sound regulations but also optimizes backpressure, enhancing both horsepower and torque.

Features:

• Designed specifically for FMF Factory 4.1 and PowerCore 4.1 exhaust systems
• High-temp resistant packing material provides superior longevity over standard fiberglass
• Helps maintain peak engine performance and optimal power delivery
• Significantly reduces exhaust noise levels to meet track and trail requirements
• Prevents excessive heat transfer to protect the muffler canister from discoloration or failure
• Includes high-quality rivets and hardware for a complete, professional service
• Proudly made in the USA