FMF EXHAUST FAC FAT RM125
$ 299.99
In stock
EXHAUST FAC FAT RM125
Part #: 18200225
FMF quality guaranteed.
Available for ship to store or drop ship.
FMF EXHAUST FAC FAT RM125
Additional information
| Weight | 5.50 lbs |
|---|---|
| Part Number | 18200225 |
| MPN | 18200225 |
| Brand | FMF |
| Punctuated Part Number | 1820-0225 |
| Vendor Part Number | 023058 |
| Vendor Punctuated Part Number | 023058 |
| Commodity Code | 1820 |
| Available Since | November 19, 2004 |
Product Description
Get the performance you need with the FMF Factory Fatty Pipe, available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.
Key Features
- 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
Product Specifications
- Part Number: 18200225
- Brand: FMF
- Weight: 5.50 lbs
Professional Installation Available
Buy online with ship-to-store for free installation at our Kansas City shop, or visit our showroom today!
Features
- 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
Part Locations
| Location | Available |
|---|---|
| Wisconsin (WI) | 3 |
| New York (NY) | 0 |
| Texas (TX) | 0 |
| Nevada (NV) | 0 |
| North Carolina (NC) | 0 |
| National Total | 3 |
Stock levels last updated: January 8, 2026 12:36 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
Product Reviews
Need help with installation? Our Service Department based in Kansas City, Missouri is here for you. Fill out a Service Request and lets get you rolling!


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