stay away from chips until you get your combo pretty much set and you have a custom one burned to your specs. all the off the shelf chips do is advance timing and you can do that manually.
I'd invest in a larger MAF and subframe conectors if I were you.
You could also do what I did and find a cheap Explorer intake, they're all over the place on Ebay, most of them go for around $200. I noticed a decent gain with mine, its a good N/A intake and really helped after I ported my heads.
Good luck
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NMRA O/C 9516
NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft
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