Hot Rod - - Ls3 Intake Shootout! -

Things got se­ri­ous when we in­stalled the 105mm throt­tle-body on the Hol­ley Hi-Ram. Hol­ley also of­fers a 92mm top for the Hi-Ram, but you will need the 105mm ver­sion on al­most any ap­pli­ca­tion ex­cept a turbo 5.3L. The tun­nel-ram in­take of­fered im­pres­sive peak per­for­mance, but torque pro­duc­tion suf­fered com­pared to the stock LS3. Equipped with the Hi-Ram and sin­gle 105mm throt­tle-body, the LS3 mo­tor pro­duced 612 hp and 509 lb-ft of torque.

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