H&S Performance is the world leader in diesel offroad & racing performance tuning for Dodge Cummins, Ford Powerstroke & GM Duramax diesel trucks. Choose from the economical XRT Pro Race Downloader or the sleek & powerful Mini Maxx Race Tuner. All of the H&S Performance tuners provide the biggest power gains and adjustability on the market. Plug a H&S Performance tuner into your diesel truck today and BRING ON THE POWER!
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