FMF Factory 4.1 RCT Exhaust System (Anodized Titanium) 045663 - KTM / Husqvarna 500 XCF-W / FE501 2020-2022

Product Description

Unleash massive power gains across the entire RPM range with the FMF Factory 4.1 RCT Exhaust System 045663, engineered specifically for high-performance KTM and Husqvarna off-road machines. Built with a stainless steel header and titanium midpipe combined with an anodized titanium muffler, this full system delivers massive weight savings and exceptional durability.

Incorporating patented FMF Resonance Chamber Technology both internally and externally, the 4.1 RCT features a shorter overall length that centralizes mass using Factory Forward Engineering. Manufactured 100% at FMF's Southern California facility from aerospace-grade materials, it also features the new Rapid Tuning System (RTS) for effortless maintenance.

Top Features: FMF Factory 4.1 RCT Exhaust

• Incorporates FMF Resonance Chamber Technology™ both internally and externally for optimized power delivery.
• Shorter overall length centralizes mass and reduces crash vulnerability via Factory Forward Engineering.
• Constructed from aerospace-grade materials featuring a stainless steel header and titanium midpipe.
• Equipped with the new Rapid Tuning System (RTS) for fast, convenient trackside adjustments.

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

Fitment List

Frequently Asked Questions

Q: Does this full exhaust system include the header and midpipe?
A: Yes, this system features a durable stainless steel header paired with a titanium midpipe and anodized titanium muffler.

Q: What are the primary performance benefits of the Factory 4.1 RCT?
A: It delivers massive power gains across the entire RPM range, significant weight savings, and features FMF Resonance Chamber Technology.

Expert Pro-Tip: When installing a high-performance full exhaust system, always use a fresh exhaust gasket at the cylinder port and apply a light coat of high-temp silicone sealant at slip-joints to prevent exhaust leaks. Check and re-torque all mounting bolts after your first heat cycle.

Recommended Pairings:

• KTM 4-Stroke Performance Parts
• Husqvarna 4-Stroke Performance Parts
• Motorcycle Tools & Accessories

About Moto-House MX

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 bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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