Hi, i got a 1998 olds intrigue with the 3800. right now i have fenderwall intake, plugs and wires, a magnalflow muffler, resonator delete, ubend delete, and slp headers. my question is what do I do next!!!! ive been recommendend rockers, and a intake insert from zzp performance. If i get rockers do i need new valvesprings..... give me your suggestions...


Also what do you think about nitrous?