Hit up scott @ screaming diesel performance. Or mark @ daniville performance. Those two will have any // all answers you would need. As far as twins over a stocker, scott makes a killer kit. S475 over stock. Ive been to his shop and everything was done with care. Takes his time and does things as ordered not mass production...
01 LB7 EC/SB Ally 4x4
DD: 1990 4runner completely stock 4x4 3.slow
2007 Yukon Denali - Hers
Big Thanks To Adrenaline Truck Performance, Alligator Diesel PerformanceSocal Diesel and Lincoln Diesel Specialties