well,,,, i have some rock solid advice for you... t-5's, air filter.... my friend has an 02, just pipes and it ripps... my friends girl just dynoed hers,,, last weekend,,, it is an 87. 60 over... all else stock,,,, t-5's.. 52hp...27lbs torque mine with 2into1 with 35mm carb, t-5's coolhead with 21cc domes.... 48hp.. 35 lbs torque..
for reliability and speed, t-5's and a filter, be done with it untill you are ready to work on it a lot...