4-Stroke

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 044487

044487

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 045704

045704

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 042406

042406

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 041621

041621

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 045673

045673

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 045683

045683

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 042398

042398

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM 044456

044456

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.

-Available in Natural Aluminum with Carbon Fiber End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend stainless steel made especially to our standards.

STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM 045682

045682

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.

-Available in Natural Aluminum with Carbon Fiber End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend stainless steel made especially to our standards.

STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM 045681

045681

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.

-Available in Natural Aluminum with Carbon Fiber End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend stainless steel made especially to our standards.

STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM 045638

045638

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.

-Available in Natural Aluminum with Carbon Fiber End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend stainless steel made especially to our standards.

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045695

045695

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042404

042404

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042412

042412

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 041619

041619

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045714

045714

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045670

045670

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045669

045669

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045629

045629

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045633

045633

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 044488

044488

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 044486

044486

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

Dual Powercore 4 S/A w/SS HEADER 042172

042172

Dual Powercore 4 S/A w/SS HEADER 045216

045216

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 044365

044365

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 043373

043373

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042371

042371

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042286

042286

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042396

042396

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042376

042376

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 042259

042259

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 041587

041587

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility