The addition of improved air flow into the bike and the addition of a free flowing exhaust system can really boost performance. if(MSFPhover) { MSFPnav3n=MSFPpreload("_derived/gallery.htm_cmp_vstar110_vbtn.gif"); MSFPnav3h=MSFPpreload("_derived/gallery.htm_cmp_vstar110_vbtn_a.gif"); } Reviewed in the United States on August 1, 2021. After you purchase you can co. No more popping, no more hesitation, no lag in throttle response at all. Yes walk through of rejetting procedure.Good reference video:http://www.youtube.com/watch?v=_CX9bN4AJvcGood reading:http://www.sloneservices.com/SilverBack/VStar. IF WHAT YOU'RE LOOKING FOR IS NOT BELOW, 10.6 to 1 Compression Pistons, rings and pins, 39 MM Flat slide Keihin Carbs with cables. xb```";[AX, 20m` n&t=WTRJK sD\L~ `g`,X,,Q @ U ^ ! Also included, are full color instructions and access to our Designed for off-road competition use. Lower EGT's (exhaust gas temperatures) If you have installed an aftermarket, or modified the stock exhaust or intake, this is needed or you will damage your engine. var a=new Image(); a.src=img; return a; // -->. // -->