Im not sure on a Gen 4 but before i bought the Black Widow headers i have now, i tried with a set of Gen 2 headers and couldnt get them to fit. Im guessing Gen 4 is different aswell
A forum community dedicated to Kawaski ZX-10R superbike owners and enthusiasts. Come join the discussion about performance, racing, riding tips, modifications, troubleshooting, maintenance, and more!