The quietest silencers in offroad history! Specially developed for the latest SX and EXC generation, this Akrapovic titanium factory silencer is ahead of its time. And of course it complies with the stricter FIM noise limits applicable since 2013. The KTM Factory Team rides with these silencers for the following reasons:- Maximum performance boost – Unbeatably low weight- Manufactured from high-end titanium – Perfect and top quality workmanship- Titanium end cap reinforced in the key places With removable noise reduction insert. Can also be fitted in combination with original header. We recommend use in combination with a factory header for a further increase in rideability and power development.