I just bought a new body 2007 Silverado Ext Cab with the 5.3L engine. Does anyone offer tuning for it and what might I gain?
I just bought a new body 2007 Silverado Ext Cab with the 5.3L engine. Does anyone offer tuning for it and what might I gain?
2007 Chevy Silverado Silver Birch 5.3L new model ext cab, Automatic, 3.73 gears....All stock so far!
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