front axle placement (RTI ramp is at M4, pull coils and air bump pressure for clearance check)
front and rear limit straps shock eye to shock eye to maximize effectiveness
rear air bumps
rear welded link end repairs and JJ's byebye to 1.25 heims
rear sway bar similar to matts setup
full chassis weld check
fix dash hacks
i would personally do all of these things before spending coin on 2.5's
let me know what i can help with. We have a pile of 2x2 links with 1.25 bungs from 572 / 928 should be 4 or 6 you could cut down and add one bung, or welcome to lathe for 7075 work