John Wilmeshires 04 Supercharged GTO lays down 551 RWHP 565 RWTQ

John brought his 2004 Maggie equipped "forged 5.7 liter" GTO to us for the installation of a Finish Line Performance transmission and stall, remote mounted external transmission oil cooler, SCSS AEM wide band, oil pressure and transmission temperature gauges, Lonnies Performance 1000 HP twin fuel pump upgrade kit, Lakewood driveshaft loop, 800 HP G Force Axles, BMR Driveshaft, Harrop girdle, DBX 97 mm Mass air meter, Ron Davis Radiator, 65 lb injector upgrade and custom tuning. Can ran 10.89 at 128 MPH a week after it left the shop!!!! Below are some photos and the dyno video.