Numbers seem kinda low for the mods.....
My buddies GT is making 272hp/302tq off 75mm TB/plenum, LT's, O/R X-pipe, CAI, magnaflow catback, and dynotune
Maybe its your altitude or something
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Steven Schildt
My Swap
3.8L v6 to 4.6L SOHC V8 (DEAD)
 5.6L SOHC v8 Running
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