FMF Racing Factory 4.1 Stainless Mini Moto Full System MX Exhaust
FMF Factory 4.1 Mini Exhaust System
The Mini Factory 4.1 is an all-around performance enhancing exhaust designed for the pit rider that takes fun seriously. Be the king of backyard motocross and look great doing it with the Mini Factory 4.1 Pipe.
Features:
- Superior power on stock and big bore motors
- Fully tunable with inserts and spark arrestor (sold separately)
- Hi-Flo header
- 100% Made in the USA
Product Information
Product Information
Shipping & Returns
Shipping & Returns

FMF Racing Factory 4.1 Stainless Mini Moto Full System MX Exhaust
FMF Racing Factory 4.1 Stainless Mini Moto Full System MX Exhaust
FMF Factory 4.1 Mini Exhaust System
The Mini Factory 4.1 is an all-around performance enhancing exhaust designed for the pit rider that takes fun seriously. Be the king of backyard motocross and look great doing it with the Mini Factory 4.1 Pipe.
Features:
- Superior power on stock and big bore motors
- Fully tunable with inserts and spark arrestor (sold separately)
- Hi-Flo header
- 100% Made in the USA
Original: $347.00
-65%$347.00
$121.45Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF Factory 4.1 Mini Exhaust System
The Mini Factory 4.1 is an all-around performance enhancing exhaust designed for the pit rider that takes fun seriously. Be the king of backyard motocross and look great doing it with the Mini Factory 4.1 Pipe.
Features:
- Superior power on stock and big bore motors
- Fully tunable with inserts and spark arrestor (sold separately)
- Hi-Flo header
- 100% Made in the USA













