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KLX250S '06 - '20 KLX300 '21 - '25 KLX300R '20 - '25 KLX300SM '21 - '25

This gasket seals the joint between the head pipe and muffler. These gaskets are easily damaged when removing the original muffler. Get a fresh one now to ease installation of your new performance muffler.

Ships same business day
$15.95
KLX250S '94 - '14 KLX300SM '21 - '23

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.

  • Hard anodized oval shaped aluminum muffler
  • TIG welded reinforced muffler bracket(s)
  • 304 stainless steel mid pipe
  • Red powder coated stainless steel end tip
  • Lighter than stock exhaust system
  • Huge horsepower and torque gains
  • Sleek muffler design allows for maximum clearance
  • Removable screen-type spark arrestor included
  • Handmade in the USA
  • 1 Year Limited Manufacturer’s Warranty
Choose Year
Add Anti-Seize
Please contact us for availability information
$373.95
KLX250S '09 - '10 KLX250S '12 - '20 KLX300R '20 - '25
  • Select applications available in SX version that is designed for more low to mid-range power and an MX version that is focused in the mid-to-upper rpm range
  • Act as "pre-muffler" helping to lower the decibel output
  • Available in stainless steel for strength combined with light weight, or in titanium for even greater weight savings
  • Utilize FMF's patented module precisely located at the initial stage of the header for specific applications
  • Horsepower is increased as much as 10%
  • The expansion and contraction of exhaust sonics through the system causes increased flow
  • Position "Bomb" increases performance
Please contact us for availability information
$249.95
KLX250S '94 - '14 KLX300SM '21 - '23

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.

  • Hard anodized oval shaped aluminum muffler
  • TIG welded reinforced muffler bracket(s)
  • 304 stainless steel mid pipe
  • Red powder coated stainless steel end tip
  • Lighter than stock exhaust system
  • Huge horsepower and torque gains
  • Sleek muffler design allows for maximum clearance
  • Removable screen-type spark arrestor included
  • Handmade in the USA
  • 1 Year Limited Manufacturer’s Warranty
Choose Year
Backordered: Waiting for stock from suppliers to fulfill orders placed on or after May 2024
$626.95