FMF Factory 4.1 RCT Full Exhaust System (Titanium / Carbon Fiber) 042378 - Kawasaki KX250F 2017-2020

Product Description

Upgrade the performance of your Kawasaki KX250F with the FMF Factory 4.1 RCT Full Exhaust System. Engineered for off-road riders seeking maximum power delivery and reduced sound output, this system combines high-grade titanium construction with advanced resonance technology to elevate your bike on the track or trail.

Built with FMF's Factory Forward Engineering, this full system centralizes mass to make your dirt bike less prone to crash damage. The design integrates an internal duct system that increases internal volume for improved exhaust flow, yielding power gains across the entire rpm range while meeting strict AMA and FIM sound standards.

Top Features: FMF Factory 4.1 RCT Exhaust

• RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output.
• Internal ducts increase internal volume for enhanced exhaust flow and broad power gains.
• Factory Forward Engineering centralizes mass and reduces vulnerability to crash damage.
• Innovative rear end cap allows simple installation of tuning tip inserts or spark arrestors with the removal of four screws.
• Includes FMF PowerBomb header, QuietCore 94db insert, and integrated spark arrestor.

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

Fitment List

Frequently Asked Questions

Q: Does this exhaust system include a spark arrestor?
A: Yes, a spark arrestor is included in the muffler, along with a QuietCore 94db insert.

Q: What material is the header and muffler made of?
A: The header features a titanium construction as part of the Megabomb style, and the muffler is built from titanium with a carbon fiber end cap.

Expert Pro-Tip: When installing a full titanium exhaust system, make sure to wipe down all raw titanium surfaces with a contact cleaner or rubbing alcohol before initial startup. Oil or fingerprints from your hands can bake permanently into the metal under high exhaust temperatures, leaving permanent discoloration.

Recommended Pairings:

• Kawasaki 4-Stroke Performance Parts & Upgrades
• Kawasaki KX250F / KX450F Performance Parts
• Engine Rebuild Kits Collection

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their machines. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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