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Custom Dodge Ram Performance Mods - Engine - 4.7 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 4.7-liter V8 engine - 310 horsepower, 330 lb-ft of torque.


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  #1  
Old 01-20-2010, 01:38 AM
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Default Drop in k&n vs cai k&n?

Would I see/feel any difference ?
Because I have a drop in k&n filter with an airraid intake tube.
Would it be a big difference going full cai or leave the way it is?
I felt an immediate difference when I install what I have now.
I still have stock exhaust.
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Old 01-20-2010, 01:43 AM
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I would go to the full K&N CAI. You may feel a difference in power depending on the application. But, you will most definately hear a difference in the engine!

You can direct greater volumes of air throughout a less restrictive passage to the engine with the conical filter... Which is why I'd make the switch.

However, I saw a demonstration showing just how big of a difference the K&N drop in has over the factory. They were doing it at NAPA. They had a ball in a tube where it would float due to the amount of air rushing in. To do so, the air had to flow through filters, the stock, and the K&N.

The stock filter barely had the ball floating. When the K&N filter was dropped in, it was about 3/4 of the way up!
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Last edited by 98sst; 01-20-2010 at 01:47 AM.
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Old 01-20-2010, 12:04 PM
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Quote:
Originally Posted by 98sst View Post
I would go to the full K&N CAI. You may feel a difference in power depending on the application. But, you will most definately hear a difference in the engine!

You can direct greater volumes of air throughout a less restrictive passage to the engine with the conical filter... Which is why I'd make the switch.

However, I saw a demonstration showing just how big of a difference the K&N drop in has over the factory. They were doing it at NAPA. They had a ball in a tube where it would float due to the amount of air rushing in. To do so, the air had to flow through filters, the stock, and the K&N.

The stock filter barely had the ball floating. When the K&N filter was dropped in, it was about 3/4 of the way up!
I saw this to. However, the only real difference you will see is noise IMO. They don't really publish hp gains on drop in filters because every vehicles stock system is different, some being more restrictive than others. The hat or intake cover also keeps dirt out etc. It should have an intake port, so air is getting in. I don't think K&N would make one of thier filters flow better than another. IMO you have a great setup for what you need. Volant uses a closed box to, so as long as air is getting in, your good IMO.
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Old 01-20-2010, 01:08 PM
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TRUE CIA will only start to pay of when you start adding real power mods headders, predator tuner, etc.. I have a hemi charger that I started with the K&N drop in and now have a CIA not anything I could tell in real power gain just sounds cooler.. add the predator and be willing to go to 93 on your gas and you can see improvement
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Old 01-20-2010, 01:27 PM
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Engines are what in reality? Air pumps. Now think of where the point of highest restriction lies. Intake? Exhaust? Cylinder head? Cam profile? The more air you can flow into and out of the engine, the more power you can make. On stock 4.7 engines, the exhaust is generally where you find the most restriction because of the manifolds used. Swapping those out for a set of headers would give you a lot of bang for the buck. Couple that with a good CAI and tuner and you'll see a significant gain in HP and torque.
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Old 01-20-2010, 01:27 PM
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So the setup that I have is ok because I dont plan on adding headers. But a freeflowing muffler and maybe a y pipe if that doesnt drop the mpg. I know the performance will pickup. Now on my 68 NY thats different performance only. Adding anything for performance is cool but dont want mpg to drop, gain is cool.
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Last edited by Dodgem; 01-20-2010 at 01:32 PM.
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Old 01-20-2010, 02:12 PM
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You should nt loose any MPG buy going with a full C.A.I system. I have a Hemi in my 03 and i had a drop in K&N filter. I never seen any diff with mileage. I just made my own C.A.I with the K$N filter and seen no diff. in mileage as well. A bit more for performance but thats all.
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