FMF
FMF MFLR 4.1RCT ANTI CRF450 '25 041603
FMF MFLR 4.1RCT ANTI CRF450 '25 041603
Regular price
£1,072.29 GBP
Regular price
Sale price
£1,072.29 GBP
Unit price
per
Taxes included.
In stock, ready to ship
Couldn't load pickup availability
In stock at our shop in west Wales
7 on the shelf, packed and sent from Tal-sarn near Lampeter.
- Free click and collect from the shop at SA48 8QB, usually ready within 24 hours
- 30 days to change your mind, and we pay the postage if it is our mistake
Keep looking
Free UK delivery once your order passes £99. Standard £4.50, express £9.99.
In stock and ordered before 2.30pm? It goes out the same working day.
Not sure it is the right part? Call the parts counter on 01570 470 022.
- Brand
- FMF
- Part number
- 18212044
- Category
- MUFFLERS FOR OFFROAD
FMF Factory 4.1 RCT Slip-On Muffler
Factory 4.1 RCT Slip-On Muffler - Anodized Titanium - CRF450R/RX
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
- NOTE: Will not pass 2025 FIM sound regulation
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- Compatible with stock header or FMF header
- Meets AMA and FIM sound requirements
- QuietCore 94 dB insert included
- Spark arrestor included in muffler
- Made in the USA
Specifications
| Brand | FMF |
|---|---|
| Manufacturer part number | 041603 |
| Manufacturer description | MFLR 4.1RCT ANTI CRF450 '25 |
| End Cap Color/Finish | Black |
| Muffler Color/Finish | Anodized, Blue |
| Riding Style | Off-Road |
| End Cap Material | Carbon Fiber |
| Product Name | Muffler |
| Units | Each |
| Muffler Material | Titanium |
| Type | Slip-On |
| Model | Factory 4.1 RCT |
| Country of origin | USA |
In the box
- 1 x FMF Factory 4.1 RCT Slip-On Muffler (part number 041603)
Sold individually unless the title or specification states otherwise.
Fits 2 models
- HONDA CRF 450 R (2021-2026)
- HONDA CRF 450 RX (2021-2026)
Years shown are per model. If your bike is not listed, contact us with the year, make and model and we'll confirm before you buy.

Does it fit your bike?
2 models across 1 make. Not sure? Call the parts counter on 01570 470 022.
HONDA
- CRF 450 R2021-2026
- CRF 450 RX2021-2026