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FMF Mini Factory 4.1 Slip-On Muffler (Titanium / Stainless Steel) 042383 - Kawasaki KLX140 / KLX140R 2008-2026

FMF Mini Factory 4.1 Slip-On Muffler (Titanium / Stainless Steel) 042383 - Kawasaki KLX140 / KLX140R 2008-2026

Regular price $314.99 USD
Regular price $349.99 USD Sale price $314.99 USD
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FMF Mini Factory 4.1 Slip-On Muffler (Titanium / Stainless Steel) 042383 - Kawasaki KLX140 / KLX140R 2008-2026

Product Description

Maximize the performance of your machine with the FMF Mini Factory 4.1 Slip-On Muffler, engineered to deliver exceptional power gains and weight savings on the trail. Built for demanding off-road riders, this exhaust system improves horsepower throughout the entire rpm range.

Crafted from high-grade American materials, the muffler features exclusive proprietary Chamber Core technology and Factory Forward Engineering to centralize mass and enhance handling. Designed with a lightweight titanium canister and durable stainless steel end cap, it provides the ultimate combination of strength and competition performance.

Top Features: FMF Mini Factory 4.1 Slip-On Muffler

  • Constructed from lightweight titanium with a durable stainless steel end cap.
  • Delivers superior power and horsepower improvements throughout the entire rpm range.
  • Features exclusive proprietary Chamber Core technology for optimized exhaust flow.
  • Factory Forward Engineering centralizes mass to improve overall handling.
  • Customizable with performance tuning inserts and spark arrestor modules.

Please review the detailed compatibility data below to ensure an exact fitment match for your dirt bike before finalizing your purchase.

Fitment List

Year Range Vehicle Brand Vehicle Model & Sub-Model
2021-2026 Kawasaki KLX140R L
2021-2026 Kawasaki KLX140R
2021-2026 Kawasaki KLX140R F
2017-2020 Kawasaki KLX140G
2008-2020 Kawasaki KLX140
2008-2020 Kawasaki KLX140L

Frequently Asked Questions

Q: Does this muffler meet sound requirements?
A: Yes, it meets AMA sound requirements on most models, with optional tuning inserts available if needed.

Q: Can I add a spark arrestor to this exhaust?
A: Yes, the system can be customized with performance tuning inserts and a spark arrestor module.

Expert Pro-Tip: When installing a slip-on exhaust, apply a thin bead of high-temp silicone sealant at the slip-joint connection between the mid-pipe and header to prevent exhaust leaks and maintain optimal backpressure.

Recommended Pairings:

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