Hi my name is Skyler and I am looking for a website that sells aftermarket parts for our little mini bikes. I am new to mini bikes, and I own a Tecumseh (I think that is how you spell it) 3.5 horse power engine, and I want to add and or change some things to make it go a little faster I was thinking a new exhaust nothing special, I just want the bike to sound a little better (anyone know where I could buy one or get one made) and I was thinking about an aftermarket air filter and maybe a new racing carb. Now if I do all of this what else will have to be done to make sure it runs good. And what other things would you recommend I could do to make it go a little better, and remember I know a thing or two about a wrench but I am no wizard. Sorry about all the dumb A questions I am new to this.