The big hub will make better low speed thrust along with a larger nozzle. I would NOT install the advance plate it you ever ride full throttle for more than a few seconds.The 9/17 BigHub is important to note. I believe the 97 SXi from the Original Post has a 9/17 (Not BigHub) OEM Stainless. the Nozzle and Pump Cone cost me $50 total, with no Modification of anything, Just remove, replace and Ride.