FMF Racing
FMF Factory 4.1 Slip-On Exhaust Pipe for Kawasaki KX450F 2019 2020 2021 [042371]
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![FMF Factory 4.1 Slip-On Exhaust Pipe for Kawasaki KX450F 2019 2020 2021 [042371]](https://cdn11.bigcommerce.com/s-absusl41po/images/stencil/608x608/products/28171/45760/D318B145-8941-42E6-96EA-984AB6FE2532__37422.1784328768.png?c=1 "FMF Factory 4.1 Slip-On Exhaust Pipe for Kawasaki KX450F 2019 2020 2021 [042371]")
- SKU:
- 1821-1890
- MPN:
- 42371
- Condition:
- New
![FMF Factory 4.1 Slip-On Exhaust Pipe for Kawasaki KX450F 2019 2020 2021 [042371]](https://cdn11.bigcommerce.com/s-absusl41po/images/stencil/1280x1280/products/28171/45760/D318B145-8941-42E6-96EA-984AB6FE2532__37422.1784328768.png?c=1?imbypass=on "FMF Factory 4.1 Slip-On Exhaust Pipe for Kawasaki KX450F 2019 2020 2021 [042371]")
Frequently bought together:
Description
- The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally
- In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings
- RTS (Rapid Tuning System)
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The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
Shorter overall length that is less susceptible to crash damage and compl
