Well how often do springs need to be changed. Obviously there are a ton of variables but i dont know
ECS Novi 1500 supercharger, tsp 2" longtubes, res delete x pipe, pype bomb axleback, zl1 fuel pump, adm fpcm, id850 injectors, aem meth kit, zr1 map, zl1 rocker panels, slp chin splitter, 20x8.5 20x10 black asa gt5 rims, 305 nitto 555R. 600rwhp mustang dyno
Waiting to install- fsp cam kit, McLeod rxt, bmr 1" springs.