This two-part episode of OTT’s Performance Upgrades series covers installing a Bazzaz Z-Fi system so a GSX-R7500’s fuel injection can be mapped to match a new aftermarket exhaust system. The GSX-R750 will run better and make more power with the proper fuel-air mixture. Part 1 Part 2 Be sure to check out other Roadracing World feature videos. Video provided by ~http://www.OnTheThrottle.tv~ and ~http://www.YouTube.com~