Horse power kit for the Suzuki GSXR750 +10hp increase over stock. Engine - Stock, Exhaust - M4 Full System exhaust, Air filter - Stock or Aftermarket replacement. Includes the following; 1. M4 Exhaust Full Stainless Exhaust system $1070 2. MRP ECU Flash, PN FM0013 $100 Save $90 when you purchase them together with this kit. Once this kit is purchase you will receive an email with a work order to send your ECU in to MRP. We will load the flash files and custom options to the ECU and send it back to you. All you have to do is install the exhaust, 3hr install, and plug ecu back in. adds 10+ horse power.