81-82 SUZUKI GS650E: Dynojet Stage 3 Jet Kit Intended for motorcycles with stock or mildly tuned engines using a well designed aftermarket pipe and individual air filters. In most cases power increases of 10 - 15&#37; can be achieved. However, drivability may be compromised particularly with short stroke, high RPM motors. On some modern engine and airbox designs, individual filters and proper jetting offer no performance improvement yet compromise drivability, in such cases stage 3 kits are not available.Maximizes carburetor performance.Includes step-by-step instructions.D Several types (stages) of kits are available to fit your specific needs.