One other primary variation would be that the Stage 1 kit includes a single 92mm GT500 throttle entire body, when the Stage 2 package includes the billet 112mm spherical throttle overall body (which utilizes GT500 electronics) that we discussed previously. *Discount rates on pieces with the producer or aftermarket. "We https://fordmustangwhipplesuperch93579.blogsidea.com/30700068/not-known-details-about-whipple-for-2018-mustang-gt