09/05/18 - FMF HAS DISCONTINUED THIS PRODUCT!!! ONCE OUR STOCK IS GONE.....THAT'S IT!!!
We take fun seriously so we built the Mini Factory 4.1. This is an all out performance exhaust for play bikes. With the Mini Factory 4.1, you will be the king of backyard motocross and look great doing it!
- Superior power on stock and big bore motors
- Stainless steel header
- Customize with tuning inserts and spark arrestor
Fits all years of the Honda CRF XR 50's
Notice: Closed Course Use Only
Item ID: 041241
Midpipe: Stainless Steel
Spark Arrestor: Insert (sold separately)
Carb Warning: no
Quiet Insert: Quiet Insert (sold separately)
Header Const: Stainless Steel
Header Type: Hi-Flo
Weight: 3.6 lbs.