Muffler Repack Kit

Repack your mufflers with these MBRP Powersports muffler repack kits. This kit will restore the sound and performance of your muffler and maximize the life of your canister assemblies. The kit includes one repack pillow specifically made for your PowerTech 4 muffler core, along with a replacement O-ring and new hardware for the muffler endcap. The packing material is a high-temperature fiberglass which is woven into long, yarn-like strands for exceptional durability.

Additional Information

Repack Kit; 14 in.; For All Systems Using 4 in. X 14 in. Billet Mufflers;

Part Type

Exhaust Muffler Repack Kit

• Restore Sound and Performance. Extend Life of Canister.
• Snowmobile Trail Muffler

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Muffler Packing, MBRP BIllet Mufflers, Fiberglass, O-Ring, Hardware, 4 in. Diameter, 14 in. Long, Kit

Repack your mufflers with these MBRP Powersports muffler repack kits. The kits will restore the sound and performance of your muffler and maximize the life of your canister assemblies. Kits include one repack pillow specifically made for your MBRP billet muffler core, along with a replacement O-ring and new hardware for the muffler endcap. The packing material is a high-temperature fiberglass which is woven into long, yarn-like strands for exceptional durability. It is recommended to repack your muffler every 20-30 hours, or when you notice a change in the exhaust sound and is essential for your exhaust to perform the way it was designed to. Keep your muffler in peak working condition with the MBRP Powersports muffler repack kits.