If it is a tuner kit I suggest:
1) SVT Focus Fuel Pump(plug and play)--www.modularpowerhouse.com
2) NGK spark plugs 2 ranges colder than stock--www.lightningperformance.com
3) Lightning 90 MAF---www.lightningperformance.com
4) 42# Injectors
5) SCT Xcalibrator2 with basic tune, then get it...