Smarty or Diablo
#1
Smarty or Diablo
Just got 06 megacab and was gona do the basics intake exhaust and programmer.I was looking at the smarty cuz i have a few friends that have them and love them but couldnt help but notice that a diablo predator can add abt just as much horsepower for half the price.Would like to get better mileage and more power any thoughts on which one is better?
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