The other primary big difference is that the Stage 1 package comes with a single 92mm GT500 throttle human body, whilst the Stage 2 package comes with the billet 112mm round throttle body (which employs GT500 electronics) that we discussed previously. *Discounts on pieces in the company or aftermarket. "We https://shanebdysn.59bloggers.com/25250694/5-simple-techniques-for-whipple-stage-1-mustang