2005 GMC 5.3 Tune?
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2005 GMC 5.3 Tune?
Hey guys, one of my buddies has a 05 GMC Sierra CC Z71, with the 5.3. Whats out there for drop in tunes to wake this thing up as it seems like dog compaired to his 01 that had a westers PCM in it. It is stock except for having dual exhaust with no muffler. Tried to search but couldnt really come up with any real answers, just a lot of stuff about big mods like cams and headers and stuff.
Thanks!
Mike
Thanks!
Mike
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