FMF now offers FMF Repacking Kits along with video instructions via our website http://www.fmfracing.com which shows how to properly maintain and repack your FMF exhaust. FMF is very conscious about sound and repacking your muffler is one of the best ways to insure the life of your exhaust, as well as keep riding land open due to noise restrictions. Properly maintaining your muffler will lower dB levels while also adding horsepower.To view how to properly repack your FMF muffler please click the following link:
http://www.fmfracing.com/techsupport/repacking.aspx