Plan for better MPG's

Discussion in 'Performance & Fuel' started by jwco5.3, May 28, 2010.

  1. jwco5.3

    jwco5.3 Rockstar 100 Posts

    Hey guys. I'm trying to decided which direction to go. I already have an intake (home made), and i'm thinking of getting the predator and running the 87 octane tune, along with ditching my cats to free up the exhaust.

    04 5.3 z71. You guys think it will help? (please dont reply about legal issues, i'm fully aware of them)

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