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Old 05-23-2017, 01:24 PM
usmc1371 usmc1371 is offline
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Join Date: May 2017
Location: Dallas, Texas
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Vehicle: 2002 dodge dakota
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Color: black
Engine: 2000-2004 - 4.7 L (287 cu in) PowerTech V8, 230 hp (170 kW)
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Default 2002 dodge dakota

I have a 4.7l 287. what headers should I use for maximum sound and airflow.
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Old 06-01-2017, 04:32 PM
RXT RXT is online now
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Vehicle: 99 Dodge Dakota
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Engine: 1997-1999 - 5.2 L (318 cu in) Magnum V8, 225 hp (168 kW)
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I wouldn't recommend headers for the sake of max sound and airflow. Unless you plan to performance build this engine, headers are a waste of money and won't do anything for performance, or sound.

Heres why.... Headers are designed to allow a lot of exhaust gas to exit out of your cylinders. Usually at much higher engine rpms and when high rpm breathing has been improved (i.e bigger cam, larger valves, increased bore and/or stroke, port/polishing, bigger intake, etc.)

On a factory stock engine, running at normal rpms, headers are way overkill and won't benefit you over the stock exhaust manifolds. It would be a waste of money and a PIA to install (along with much more under hood heat)

If you want some improvement in exhaust flow and make the engine sound better, consider doing a dual cat-back exhaust system with a good high flow muffler (Or no muffler at all...The Cat is pretty effective as a muffler all by itself)

Oh, one more thing..Semper Fi from an old 1811

Ignore my vehicle info. My Dakota has a quad cab swap, a solid axle swap and a Cummins swap
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Old 06-01-2017, 06:42 PM
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8cylinder287 8cylinder287 is offline
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Join Date: Jan 2015
Posts: 31
Vehicle: 2002 Dodge Dakota
Trim Level: SLT
Color: Green
Engine: 2000-2004 - 4.7 L (287 cu in) PowerTech V8, 230 hp (170 kW)
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Also if you are going for more flow/ power, the stock manifolds aren't the worst out there, but the factory y pipe is the biggest bottleneck on that exhaust system, and you won't get much gains from the exhaust until that's addressed.
Mods: true dual 2.25 exhaust, ho cams, ho intake manifold, superchips flashpaq, 3 inch body lift, flowtech shorty headers, k&n drop in.
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