Redcat Racing Aluminum Tuned Pipe Aluminum Polished Tuned Pipe;Can be used on: Rampage MT and Rampage TT models RC Car Parts : 050024 Genuine Redcat Racing Parts For troubleshooting and warranty information please contact a Redcat Racing Customer Service Specialist at 602-454-6445 or by emailing amazonsupport@redcatracing.com NOTE: Please read the User Manual before use.