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Power Strokes
6.7 Aftermarket
13-16 Spartan tuning
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[QUOTE="06-sixoh, post: 1422037, member: 5743"] No exhaust brake is close to a deal breaker for me. On the other hand, I dont want second best performance files either. As far as I can tell, Spartaan puts down the most power. Another thing that worries me a bit, is their trans tuning. Sounds like there might still be some hit and miss dependability there. With all this EPA jumbo in the air, is it even safe to consider a tune right now? Last thing I need is my VIN on file somewhere, then getting a knock on my door three months later. Doesnt seem likely, but government is creepy like that. Sent from my iPhone using Tapatalk [/QUOTE]
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6.7 Aftermarket
13-16 Spartan tuning
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