FMF Factory Fatty Pipe

FMF · #1820-1866 · Full-Systems / Exhaust

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its craftsmanship and material quality
Broadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev
No matter what type of riding you do, the Fatty has the benefits you’re looking for
Lighter 20 gauge steel used for the body of the pipe
19 Gauge steel used for the header portion

$319.99

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features6 features

Not for use on any 150 TPI machine, install on carburetor bikes only.

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its craftsmanship and material quality
Broadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev
No matter what type of riding you do, the Fatty has the benefits you’re looking for
Lighter 20 gauge steel used for the body of the pipe
19 Gauge steel used for the header portion
Hand pounded seams for smooth flow transitions

Specifications8 specs

Model: Factory Fatty
Units: Each
Material: Steel
Riding Style: Off-Road
Type: Exhaust
Shipping weight: 3.5 lb
Package size: 20.7 × 10.5 × 8.6 in
Country of origin: USA

Fitment4 models · Gas Gas, Husqvarna, KTM

Gas Gas1 models

MC 1252021–2023

Husqvarna1 models

TC1252019–2022

KTM2 models

125 SX2019–2022
150 SX2019–2022

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 1820-1866
FMF part #: 025239

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine FMF?: Yes. It’s new and genuine, straight from Salto — FMF part #025239.