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
Customize with tuning inserts and spark arrestor
We recommend all motorcycle parts are fitted and tested by qualified professionals.
If you are unsure about the part choice for your bike, please contact us before purchase.
From routine servicing to ECU flashes and suspension setups, our expert technicians treat every ride like it’s race-day ready. Book online in under 60 seconds.
