Kawasaki 2000 STX 1100 DI Exhaust Mid Pipe Muffler Head Header Chamber 10-5-20. Kawasaki 2000 Jet Ski 1100 STX JT1100 DI Exhaust Head Pipe. The item "Kawasaki 2000 STX 1100 DI Exhaust Mid Pipe Muffler Head Header Chamber 10-5-20" is in sale since Monday, October 5, 2020.This item is in the category "eBay Motors\Parts & Accessories\Personal Watercraft Parts\Exhaust". The seller is "201partsheaven" and is located in Mount Bethel, Pennsylvania. This item can be shipped worldwide.