For those of you that want to increase power and sound on your TW without cracking the engine open,  this is where you start.  This kit will be the biggest bang for your buck.  Includes our slip-on exhaust system with quiet core included, DIY airbox mod kit, and our OEM carb jet kit.  Quick and easy install with considerable gains.  Installation instructions are available on our Install instructions page under the TW200 tab.