there is a little gain on the mid to top end but you lose bottom end with the 62mm.
i would not recommend a 62mm for your setup. the RSM intake is a joke. they take a stock intake dremel the lip where the TB sits so it matches the 62mm and then paint and put on RSM sticker.
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber

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