The deed is done. The Two Brothers exhaust with P3 Power tip is now installed,the carb rejetted with the standard mods (used a #128 main), and the KDX snorkel replacing stock on my '09. The engine still isn't broken-in, so I can't really rev it to oblivion yet, but I can already feel a difference (it at least "sounds" like there is some substance behind the exhaust now). The weight savings from dumping the stock exhaust should be at least a few pounds, maybe more. Still have the handguards to do, but that should happen by next weekend (it's rainy in Ohio for this weekend anyway). The 13t front sprocket change was a help, too.

The sound of the Two Brothers is hot. I'll post some pics (and maybe a video) at my first opportunity. The little KLX is now officially ready to play!