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Spec 31 Universal Pillow Kit - 24" Length
Spec 31 Universal Pillow Kit - 24" Length
Compression stitches for easy trimming rolling.

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For mufflers up to 24" long, shells up to 4.25" in diameter and core diameters between 2.25" and 3".
Price: $44.95

Product Code: 14487

Description Technical Specs Installation Instructions

Most modern engines and especially those with EFI, produce exhaust gas temperatures that exceed the temperature limits of traditional packing. Once a fiber's temperature limit has been passed, it becomes brittle and breaks down into particles small enough to be "blown out" of the muffler. Spec 31 is different because it maintains it's strength in continuous temperatures up to 1290F and has a softening point of over 1700F.

Whether you're maintaining the muffler on a motocross bike, an ATV or a utility vehicle, Spec 31 will last longer than the competition. There are many benefits to keeping a muffler completely packed and flowing as it was designed to. Among them are:

- Throttle response remains crisp.
- Power output is maximized.
- Fuel efficiency is maximized.
- Noise reduction and exhaust tone are maintained.
- Vibration absorption and baffle support.

Our new Spec 31 Universal Pillow Kit delivers our high performance Spec 31 Packing material in pillow that is easy to install. The pillow is compressed with stitches which release within a couple minutes of being exposed to exhaust heat. In compressed form, it can be cut to length easily and rolled around the mufflers core. Once the compression stitches release, the Spec 31 expands filling the muffler cavity uniformly for maximum durability.

Don't waste your money and time repacking with a material that you'll need to replace any sooner than you have to!
Features And Applications
  • Pillow designed with adhesive tape flap for keeping it rolled tight during installation.
  • Main pillow can be trimmed for mufflers shorter than 24"
  • Kit contains two cap stuffer pillows.
  • Easy to follow installation instructions.
  • Longest lasting muffler packing material available.
  • 100% Made In The USA
  • Applications
  • This kit can be used to re-pack any rebuildable muffler with dimensions that fall within those listed under Technical Specifications including mufflers for motocross, ATVs, UTVs, sport, touring, adventure and big cruisers.

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