
FMF
Gnarly Exhaust - Beta
Part # 1820-1947
$329.99
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
CA Prop 65 Warning: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
Confirmed fit for 16 motorcycle configurations across Beta, model years 2020–2025.
| Years | Make & Model |
|---|---|
| 2021-2024 Beta | 300 RX |
| 2020-2021, 2025 Beta | 250 RR 2T |
| 2025 Beta | 300 RR 2T |
| 2020-2024 Beta | 300 RR |
| 2022-2024 Beta | 250 RR |
- The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain
- When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you
- Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for the rigors of the off road domain
- Super strong 18 gauge steel construction
- O-Rings Included
Customer Reviews
No reviews yet — be the first to review this part.
Overview
The FMF 1820-1947: Gnarly Exhaust - Beta. Confirmed fit for 16 motorcycle configurations across Beta, model years 2020–2025. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
More from FMF

FMF
FMF12-002
Muffler Packing - 2-Stroke
$10.99

FMF
1861-0585
Wash Plug - 2-Stroke
$5.99

FMF
1860-0828
Pillow Muffler Packing - 4-Stroke
$31.99

FMF
1820-1869
Gnarly Pipe
$329.99

FMF
1821-2029
Q4 Muffler
$499.99

FMF
FMF011231
Puller Tool - Exhaust Spring - T-Handle - Black
$15.99

FMF
1820-0175
Factory Fatty Pipe
$329.99

FMF
1820-0739
Powercore 4 Exhaust
$279.99
