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Old 09-19-2012, 09:32 AM
JasonRB2k1 JasonRB2k1 is offline
Dodge Ram Forum Junior Member
 
Join Date: Sep 2011
Location: Dallas
Age: 31
Posts: 37
Gender: Male
Vehicle: 2011 Dodge Ram
Trim Level: Hemi Express
Color: Mineral Gray
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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I had it in my head that with helping airflow through the motor would up my MPG, but for the first time the HEMI proved that theory wrong. With headers, intake, and exhaust I was averaging 13 ish driving like a grandma. The best I have ever pulled out of a tank was 16.4 MPG with a long highway trip. Since I am about to trade in the truck in, I swapped all of the parts over to my friends truck and my milage has increased.
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