RE: Intake, Exhaust, Chip Question
Chips are easy...go with Blue Oval - plug and play.
As for your other question, are you looking for more power, or a faster car? Because they are two different things. An intake swap will get you about 20 HP, but a posi unit with 4.10 gears will accelerate you faster than the intake swap...and their respective cost is in the same ball park.
I went the latter and installed an Eaton posi, 2800 stall Lonnie-converter, and 700+ HP tranny. Those and some suspension mods put my 0 to 60 under 6 seconds and shaves over half a second on the 1/4 mile.
If you're going for the best bang for your buck go-fast mods, it's more cost effective to get the power to the road rather than just make more power.