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.