I wouldn't go over a 60hp tune on a stock truck...or your looking to say bye bye to the tranny.
The smartys are great tuners...I'm running one now. But I can't wait till the EFI live for my year truck...I'll be switching to that!
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2005 CTD 4x4- Smarty, 5" TBE, Flow Pro Muffler, Ice Box CAI
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