Diesel Tuner Shootout (Hypertech vs. Superchips vs. Edge)
Length: 04:50
Independent road testing of Hypertech, Superchips, and Edge on Chevy 6.6L Duramax, Ford 6.0L Power Stroke, and Dodge 5.9L Cummins.
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http://www.adscarsforsale.com/videos/video/30596