FMF 042382 Mini Factory 4.1 Slip-On Muffler KLX140 KLX140R 2008–2025

FMF 042382 Mini Factory 4.1 Slip-On Muffler KLX140 KLX140R 2008–2025

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Upgrade your trail bike with race-proven performance using the FMF Mini Factory 4.1 Slip-On Muffler (Part #042382) for Kawasaki KLX140 models. Designed for riders who want stronger power delivery and lighter weight, this FMF Factory 4.1 muffler delivers improved horsepower throughout the RPM range while maintaining controlled sound levels. Riders upgrading their Kawasaki KLX140 exhaust will feel quicker throttle response and smoother acceleration immediately.

Built using premium American-made materials, the FMF Mini Factory 4.1 slip-on muffler features exclusive Chamber Core technology to enhance exhaust flow and refine pressure for maximum performance. With Factory Forward Engineering, the muffler is positioned closer to the engine to centralize mass, improve handling, and reduce crash damage. Whether riding trails or pushing harder laps, the FMF KLX140 performance muffler delivers durability, performance, and factory-inspired styling.

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➡️ Top Features

• FMF Mini Factory 4.1 slip-on muffler for KLX140 models
• Improved horsepower and throttle response across the RPM range
• Exclusive Chamber Core technology for refined exhaust flow
• Factory Forward Engineering improves handling and durability
• Lightweight construction using premium American materials
• Compatible with tuning inserts and spark arrestor module
• Meets AMA sound requirements on most models (inserts available)

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✅ Fitment

• 2021–2025 Kawasaki KLX140R
• 2021–2025 Kawasaki KLX140R F
• 2021–2025 Kawasaki KLX140R L
• 2017–2020 Kawasaki KLX140G
• 2008–2020 Kawasaki KLX140L
• 2008–2020 Kawasaki KLX140

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Frequently Asked Questions

Q: Is this a slip-on muffler or full exhaust system?
This is a slip-on muffler designed to replace the stock muffler on compatible Kawasaki KLX140 models.

Q: Does this FMF Factory 4.1 muffler improve performance on a stock engine?
Yes. The FMF Mini Factory 4.1 muffler is tuned to improve horsepower, throttle response, and overall performance on stock KLX140 engines.

Q: Can I add a spark arrestor or tuning insert?
Yes. This muffler is compatible with FMF performance tuning inserts and a spark arrestor module.

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🚀 Upgrade your Kawasaki KLX140 with one of the lightest, best-performing mufflers available and experience true FMF race-bred performance on every ride.

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