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2004 GMC Yukon XL EconoAid Air Intake Systems

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EconoAid Throttle Body Booster Reviews


It worked

Reviewed By James H (Midland, MI) Reviewed for a 2006 GMC Yukon XL —8/28/2013 4:52 AM

I have a 2006 Yukon xl. The average fuel economy was 15.3 mpg over 71000 to 115000 miles. I put this in and fuel economy increased to about 16.9 around town and topped out at 18.3 on a highway trip to Chicago.

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