Reviewed By Karl S (FORT LEONARD WOOD, MO) Reviewed for a 2006 GMC Sierra —3/9/2018 2:25 AM
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Reviewed By Juan H (DALLAS, TX) Reviewed for a 2006 GMC Sierra —1/15/2014 8:17 PM
Installation was fairly simple although if you have DBW you may need to use a longer hose for the coolant line that runs underneath throttle body. Saw a good increase in mpg did see a good difference in pick up midrange and was a good addition with the k&n intake. Well worth the $85. It does whistle but i only heard it when the radio was down.