The MBRP Sound Restoration Kit is engineered to rejuvenate the acoustic profile and operational efficiency of your PowerTech 4 muffler. By replacing the internal components, this kit restores the original sound characteristics while maximizing the service life of the canister assembly. The package includes a repack pillow specifically designed for the PowerTech 4 core, ensuring a precise fit for optimal performance recovery.
Constructed from high-temperature fiberglass woven into long, yarn-like strands, the packing material offers exceptional durability against heat and vibration. The kit also supplies a replacement O-ring and new hardware for the muffler endcap, providing a complete solution for maintaining the integrity of your exhaust system. This comprehensive repack allows riders to extend the functionality of their existing muffler without the need for a full replacement.