Has MAP Policy: Yes Features: With more noise conscious environments Straightline Performance has taken action to make sure they manufacture mufflers that provide a weight loss, maintain OEM performance, and meet or surpass sound restrictions. All of this is achieved with no modifications to the original Lightweight ceramic muffler we have been selling for years now, no need to worry about upgrading to the newest latest muffler, as all previous manufactured mufflers are also compliant Straightline will continue to update this list throughout the season, as they continue to Certify more Mufflers. Fitment: Ski-Doo 2007 - Summit Adrenaline 800R Power TEK 144" 2007 - Summit X-RS 800R Power TEK 159" 2007 - Summit X 800R Power TEK 159" 2007 - Summit Adrenaline 800R Power TEK 151" 2007 - Summit X-RS 800R Power TEK 151" 2007 - Summit X 800R Power T.E.K. 151" 2007 - Summit X 800R Power TEK 144"