[TurboWS6]

Call work turbo and go with the borg warner 83 or 87 mm SX3 option pretty sure they offer compressor sides all the way up to 88mm with ETT technology and racecovers. There already T4 so you wont have to change the flange would only have to run the larger 4 inch downpipe, also the 4.8 should light it off fine on the foot brake without nitrous and really light it off if you spray it. They cost about 1500 dollars but you can recover some of that by selling the 76mm.