the guy at the car shop said to start off wit the 3 bolt ons intake headers and exhaust.. i bought my 00 blue si stock 41000 miles.. i just got my aem v2 intake and i have some questions aobut the rest.. i think im gonna get the greddy evo 2 i heard that sounds the best idk tho maby dc or skunk2 but idk im pretty sure im gettin the greddy unless some1 wants to change my mind.. and about the headers idk wat to get eather dc 4-2-1 or dc 4-1 and idk wat to get it ceramic or stainless steel can u guys help me answer some of these questions.. i think im gonna get the exhaust first too unless i should get the headers first but idk if u wana im me on aim swizz977