2009 GMC Sierra 6.0L
have the truck, want more power.
im going with the afe stage 2 cold air intake, afe throttle body spacer,
and the afe cat-back exhaust.
then with either the diablo sport programer or the hypertech programer.
what will the hp adds be with all of the above?
im going with the afe stage 2 cold air intake, afe throttle body spacer,
and the afe cat-back exhaust.
then with either the diablo sport programer or the hypertech programer.
what will the hp adds be with all of the above?
15hp probably. stay away from the throttle body spacers they do nothing for 96+ trucks. as for the programmer, the diablo is the best handheld, hypercrap is junk. but for the best performance go with a custom tune
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