Increase power across the RPM range with the FMF Fatty Expansion Pipe, manufacturer part number 021058 and vendor part number 78-1124. Designed for Honda CR500R two-stroke motorcycles from 1989 through 2001, this performance pipe is engineered for riders seeking stronger, more usable power throughout the powerband.
FMF manufactures the Fatty pipe with an electro-nickel-plated finish that resists chipping and discoloration during normal use. The coating provides durable surface protection while maintaining a clean appearance. This replacement expansion pipe is built for off-road performance and is designed to fit the listed Honda CR500R applications.
Feature: All-around power increase throughout the power range
Feature: Electro-nickel-plated finish helps resist chipping and discoloration
Feature: Designed specifically for Honda CR500R two-stroke models
Feature: FMF manufacturer part number 021058
Feature: Vendor part number 78-1124
The FMF Fatty provides a balanced power delivery for trail riding, motocross, and general off-road use. It is an effective upgrade for riders who want improved acceleration and broader power without focusing exclusively on low-end torque or maximum top-end output. Verify the motorcycle model and year before ordering to ensure proper fitment.
Features:
- All-around power increase throughout the power range
- Electro-nickel-plated finish helps resist chipping and discoloration
- Designed for Honda CR500R two-stroke motorcycles
- Fits Honda CR500R model years 1989 through 2001
- Brand: FMF
- Manufacturer part number: 021058
- Vendor part number: 78-1124
Fitment:
1989 Honda CR500R
1990 Honda CR500R
1991 Honda CR500R
1992 Honda CR500R
1993 Honda CR500R
1994 Honda CR500R
1995 Honda CR500R
1996 Honda CR500R
1997 Honda CR500R
1998 Honda CR500R
1999 Honda CR500R
2000 Honda CR500R
2001 Honda CR500R