Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
FMF Racing Honda CRF450X / RX 21-26 Anod Factory 4.1 RCT Complete System w/ TI MB HeaderExperience top tier performance and durability with the FMF 4 Stroke Factory 4. 1 RCT Muffler, designed specifically for Honda CRF450X and RX models from 2021 to 2024. This complete exhaust system features an anodized finish and a titanium mid pipe header, ensuring both lightweight construction and exceptional heat resistance. Engineered by FMF Racing, a trusted name in motorsports, this muffler amplifies your bike's power output while maintaining
Experience top-tier performance and durability with the FMF 4-Stroke Factory 4.1 RCT Muffler, designed specifically for Honda CRF450X and RX models from 2021 to 2024. This complete exhaust system features an anodized finish and a titanium mid-pipe header, ensuring both lightweight construction and exceptional heat resistance. Engineered by FMF Racing, a trusted name in motorsports, this muffler amplifies your bike's power output while maintaining optimal sound quality.Built for serious riders and racing enthusiasts, the Factory 4.1 RCT Muffler delivers enhanced throttle response and improved exhaust flow. Its sleek design not only adds a professional look to your bike but also contributes to superior performance on challenging trails and tracks. Installation is straightforward, giving you back valuable time to spend riding.
Join a community of passionate riders who demand the best from their machines. With competitive pricing, fast European shipping, and dedicated support from Tuningsupply, getting your hands on this high-performance component has never been easier. Elevate your Honda CRF450X or RX with FMF's Factory 4.1 RCT Muffler and experience racing quality with every ride.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 169 reviews
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Product Reviews
★★★★★ 5
Perfect fit, solved steering pump noise
Installed this o-ring kit on a 2009 Honda Odyssey. The steering pump was making noise and you could see bubbles in the fluid revivor when the engine was idling indicating a potential air leak from where the hoses attach to the pump. The most difficult part was finding the right 10mm wrench that would allow me to access the lower hose mounting bolt without removing the belt or pump pulley. I wound up taking an old wrench, heated it with a torch, and bent it in a vice to get the right fit. I did order a ratcheting, flex head wrench but while waiting for it to be delivered I was able to make something work. Overall, the o-ring kit worked great, the o-rings seem high quality and this fixed my issue. If you don't already have some, make sure to order the power steering fluid required for Asian/Honda vehicles when you order these o-rings.
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Reviewed in the United States on February 24, 2025
★★★★★ 5
Works great
Worked great and easy to install
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Reviewed in the United States on March 21, 2026
★★★★★ 5
2007 Honda Accord coupe
Perfect fit for a 2007 accord coupe or sedan. Fixed a noisy power steering pump straight away on a 240,000 mile car. Easy DIY fix
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Reviewed in the United States on January 29, 2026
★★★★★ 4
No issues
Great aftermarket o ring. If for whatever reason OEM isn’t possible, these o rings will work perfectly fine. Had no issues installing into power steering system. Still would recommend Honda o rings if you can because they are also cheap.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Fixed noisy and leaking power steering pump
My daughters 2008 Honda Accord 2.4L 4 cylinder that had a very noisy power steering pump which was also starting to leak. I was about to buy a new pump when I found out it might just be leaking from the hoses to the pump. I bought these O rings for the hose connections at the power steering pump, and spent 15 minutes replacing them. Pump is quiet again! The suction hose can develop a leak, letting air get into the pump which creates the loud noises.
This fix is all I needed, and was much cheaper and faster than replacing the power steering pump.
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Reviewed in the United States on March 10, 2026
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