Ram 4.7 0-60 Before and After Upgrades!
Do a cold air intake and a high flow muffler improve performance? I set out to find out!
My truck is a 2007 Dodge Ram 1500 4x4 with the 4.7L Flex Fuel V8, 85k miles. My only performance modifications are a cold air intake (not K&N) and a magnaflow high flow muffler.
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