
§ 01 / Part
18201957 EXHAUST ANTI4.1RCTSSMGBMB
incl. VAT
Usually dispatched within 3 working days.
Authorised stockist
FMF
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§ 02 / About this part
What it is
The FMF EXHAUST ANTI4.1RCTSSMGBMB, full systems. Stocked by Iron Offroad, the UK MX hard parts specialist.
This system features an anodised finish for increased surface hardness and corrosion resistance. The stainless steel header pipe provides a rugged foundation that handles high heat cycles without becoming brittle. It incorporates a resonance chamber to manage sound pressure while increasing exhaust gas velocity. This full circuit is a direct fit for your bike, mounting to the original subframe points. It is built for riders who demand a balance of weight reduction and long-term durability in harsh racing conditions. Always torque the header bolts to OEM specifications.
§ 03 / Specs
The numbers
- Brand
- FMF
- Part number
- 18201957
- Category
- Full Systems
- Weight
- 4.48 kg
- VAT
- 20%
// Fitment
Will it fit your bike?
Fits 3 models · 3 year-bands
No matches. Try a different make or model.
* Fitment data is provided as a guide. Verify compatibility against the bike's owner's manual or service handbook before ordering. Iron Offroad accepts no liability for incorrect application. Full terms and conditions apply.
§ 05 / About Iron Offroad
Iron Offroad
// Related
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// FMF

