FMF Racing Factory 4.1 Blue Anodized Titanium Slip-On Muffler w/Carbon End Cap for Honda CRF150R 07-21

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.

The FMF Factory 4.1 slip-on exhaust is the same exhaust that professional racers use to bring home championships around the world. The technology in this slip-on exhaust cannot be found in any other exhaust. Since the Factory 4.1 slip-on exhaust is meant to be used for competition, FMF made this pipe ready to take to the track straight out of the box. 

Features:

• Massive power gains throughout the RPM range
• Huge weight savings over stock exhaust
• Anodized titanium midpipe
• Carbon fibre end cap
• RTS (Rapid Tuning System) for quick and easy trackside tuning
• Removable spark arrestor included
• Quiet insert included (94db)
• Can be used with FMF or stock OEM Header
• 100% made in the USA

Weight:

• Titanium / Carbon end cap 1.81kg (4bs)