Torque Box Exhaust System This exhaust will fit any ScooterX model with a 43cc, 49cc, or 52cc engine 6061 Billet Aluminum 4 to 7 MPH more top speed Increases RPM 400 to 600 Increased torque Made in USA Availability: Usually ships the next business day Exhaust49$100.00 Don't see what you want? .......... Need help? Or, IF THERE IS NO ORDER BUTTON AVAILABLE on the part you want to buy, please call us TOLL FREE at 1-888-6 GO FAST(1-888-646-3278) Monday - Friday 8AM - 4:30PM Pacific Time and talk to one of our experienced Sales Agents. Some parts may not be legal for sale or use in California and other states on any polution controlled motor vehicles. Check your local laws for use. Copyright © GoFastParts.com all rights reserved. No part of this site may be reproduced without prior written consent.