Exhaust Header FMF Factory Fatty — Beta RR 300, RR 250 2013–2019 (2T)
SKU: 025157
Price incl. VAT (23%)
Shipping from €3.90
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24-month warranty
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Description
The FMF Factory Fatty is a two-stroke pipe built along the lines of the “works” cone pipes factory teams once ran. Compared to the standard Fatty it is lighter and tuned more aggressively. The body uses lighter 20-gauge steel, the header section stronger 19-gauge. The seams are hand-pounded so the internal transitions stay smooth and don't choke the flow. Fits: Beta RR 300 (2013–2019); Beta RR 250 (2013–2019). Specifications — material: Steel, weight: 2,23 kg. Note: does not meet the 2025 FIM sound limit — intended for practice and closed courses, not for FIM-sanctioned racing. Delivery 5–8 working days. SKU: 025157.
Specifications
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