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Exhaust System: Big Gun EVO-R

CARB   Made in USA WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
KLX140(R) '08 - '25 KLX140L(RL) '08 - '25 KLX140G(RF) '17 - '25

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 / head 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
Please contact us for availability information
$373.95

Exhaust Gasket

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
KLX140(R) '08 - '25 KLX140L(RL) '08 - '25 KLX140G(RF) '17 - '25

The headpipe gasket seals the joint between the head pipe and Exhaust port. These gaskets are designed to crush a little bit to tightly seal where the pipe fits to the head, thereby making them a single use part. Get a fresh one now avoid having an exhaust leak when you install your new exhaust.

The muffler joint 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.

Choose Gasket
Ships in 3-5 business days
$5.95

Muffler, Slip-On FMF

EPA   WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
KLX140(R) '08 - '25 KLX140L(RL) '08 - '25 KLX140G(RF) '17 - '25

Delayed stock from manufacture, please ask for availability.

  • The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini
  • Superior power and performance - horsepower improved throughout the rpm range
  • Feature exclusive proprietary Chamber Core technology
  • Factory Forward Engineering centralizes mass, improves handling
  • Made from premium quality American materials
Please contact us for availability information
$269.95

Exhaust System, Pro Circuit T-6

EPA   WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
KLX140(R) '08 - '25 KLX140L(RL) '08 - '25 KLX140G(RF) '17 - '25

The T-6 Stainless Steel Exhaust System offers the same benefits as our popular Ti-6 Titanium Exhaust System, but the T-6 is constructed of stainless steel and aluminum for increased strength and durability while giving riders a more affordable alternative to titanium. The T-6 comes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course riding.

Features:

  • Improved performance
  • Titanium canister
  • Stainless steel header
  • Carbon fiber end-cap
Please contact us for availability information
$465.95