GP1R is a 60mm bore angular tip in Black or Pure titanium. Full titanium construction Advanced flow dynamics Massive weight saving No remap required for the de-cat but adding a fuelling module will give significant gains De-cats the bike Simply bolt on and ride! Performance gains of around 3-7 bhp will be achieved with the de-cat system depending on the tune The GP1 uses internal baffling to allow you to control db levels from 102 to 110 plus-LOUD! Carbon option for GP1 is a sleeve over titanium, as such it will last for life! Removable db killer also supplied (not included V3R) Full instructions supplied Fits with passenger footpegs if desired In race use situations we advise regular insert re packing or removal of the insert completely. DB LEVELS - TESTED AT 5500RPM With GP1R can - 103Db/106 without killer SPECS Weight: 1.4kg