how much hp+mpg to gain from tune

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Sep 18, 2006 | 08:26 PM

99350

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Teching In

Joined: Sep 2006

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how much hp+mpg to gain from tune

have a 99 suburban with a vortec 350 with k+n stock filter and intake plenum spacer exhaust mods on the way. what gains to look for with a wait4me mailorder tune??

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