Optimized TB and MAF- free
Remove resonator- $25-$50 at muffler shop
K&N or simillar type air filter- $50ish
Y-pipe- $250 and up depending on model
Hyperground negative wire set- $100
Chip-$250ish
plugs and wires-$100ish
IAT mod-free
should net you about 15 actual hp despite the claims.
