Walt: My first purchase of exhaust, cooling upgrade, chip, and couple other things was awesome. Your support for those products and help for other non related problems was excellent. When the post office lost my chip, you went out of the way to make it...
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From: Randy B.

Walt was very helpful when trying to diagnose my problem, and my new wastegate solenoid was at my doorstep within two days. The instant heat glow plugs were also a great addition to my 6.5 Suburban.
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From: Nick W.