FMF
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 F 042414
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 F 042414
Regular price
£1,632.60 GBP
Regular price
Sale price
£1,632.60 GBP
Unit price
per
Taxes included.
In stock, ready to ship
Couldn't load pickup availability
In stock at our shop in west Wales
10 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
- 18202084
- Category
- SYSTEMS FOR OFFROAD
FMF Factory 4.1 RCT Exhaust System
Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250
- Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally
- Achieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
- Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
- For closed course competition use only.
- NOTE: Will not pass 2025 FIM sound regulation
Specifications
| Brand | FMF |
|---|---|
| Manufacturer part number | 042414 |
| Manufacturer description | EXHAUST ANO 4.1 RCT CARBON CAP |
| Full description | Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 F |
| Colour | Titanium |
| Product Name | Exhaust System |
| Muffler Material | Titanium |
| Muffler Color/Finish | Anodized Blue |
| Riding Style | Off-Road |
| End Cap Material | Carbon Fiber |
| Type | Race |
| Units | Each |
| Design/Configuration | 1-Into-1 System |
| Model | Factory 4.1 RCT |
| Pipe Material | Titanium |
| End Cap Color/Finish | Black |
| Country of origin | USA |
In the box
- 1 x FMF Factory 4.1 RCT Exhaust System (part number 042414)
Sold individually unless the title or specification states otherwise.
Fits 2 models
- KAWASAKI KX 250 (2025-2026)
- KAWASAKI KX 250 X (2025-2026)
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.
KAWASAKI
- KX 2502025-2026
- KX 250 X2025-2026