RE: Improving Gas Economy???
Proven mods that help fuel economey on a 3rd Gen Ram are:
4.56 gears (depending on your final averdrive ratio) .75-.67 4.56's have been proven to help up to 65-70MPH.
Intake
electric fan
underdrive pulley
JET STREAM SCOOP
true 3" single exhaust system with high flow muffler.
And the DRIVING HABBITS!
SPEED SAFE, AIR RAM
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