FMF – 4-Stroke Race Packing

Restore power with a freshly packed silencer/muffler. FMF Performance Packing is comprised of fine, blended interwoven fiberglass fibers made to FMFs specifications for high heat resistance, great sound attenuation and optimum performance and longevity. Look for FMFs distinctive red performance packing.

• FMF Recommended packing for 4.1 mufflers

Features:

• Developed for high-output 4 Strokes.
• 4-layer design – stainless steel wool, high-density woven temperature barrier and then FMF’s exclusive packing material.
• Long lasting and resistant to blowing out.
• FMF recommends repacking your muffler every 20-20 hours under normal use when properly jetted