
FMF
FMF Exhaust - 20018 - F-Pipe
Exhaust - 4 StrokeSKU 6107116
Cheapest we found
$559.99
at MotoHeaven
Only one recent in-stock price to compare.
Based only on in-stock prices checked in the last 30 days. 2 stores checked; dates for every store are shown below.
Recorded store prices
Prices we recorded when we last checked each store for this exact variant.
Product details
The FMF Fatty 2-Stroke Exhaust Pipe for the Honda CR125R delivers race-proven performance with improved power across the entire RPM range. Designed to broaden and smooth the power curve, it enhances low-end torque, mid-range acceleration, and over-rev performance for improved throttle response. Constructed from carbon steel with a durable nickel-plated finish, it features FMF's Tru-Flo stamping process for an optimal fit and can be used with either an FMF or stock silencer. O-rings are included for installation.
Features:
- Fatty Gold Series expansion chamber design
- Improves low-end, mid-range, and over-rev performance
- Enhanced throttle response and power delivery
- Carbon steel construction
- Durable nickel-plated finish
- Tru-Flo stamped for precise fit and optimum performance
- Compatible with FMF or stock silencer
- O-rings included
Specifications:
- Product Type: Exhaust Pipe
- Series: Fatty Gold Series
- Engine Type: 2-Stroke
- Construction Material: Carbon Steel
- Finish: Nickel Plated
- Weight: 3.6 lbs (1.63 kg)
- Carb Warning: No
Fitment:
- Honda CR125R (1998-1999)
Price history
Recorded changes for this exact variant.
Step chart of dated store-price observations. Solid lines show confirmed crawl coverage, dashed lines show overdue missed-check spans, and every line stops at the last confirmed price.
- 1MotoHeaven3 points · last checked 21 Aug 2026
- 2XPERT Moto Gear3 points · last checked 23 Aug 2026
Solid steps show periods confirmed by the store’s change-only price history and completed crawl record: if the price had changed at a check, another point would appear. Dashed steps show overdue periods with no completed crawl confirmation. Every line stops at that listing’s last confirmed check and is never extended to today. Prices are not live and may have changed since the last point shown.
How we collect and compare prices

