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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 07-17-2009, 01:15 PM
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Default Smart Choice Cai

What would be the most cost effective way to add a cai to an 03 4.7 Ram. I really dont see the point of puttin down some plastic almost home depot style pipes for 200$ at the cheapest.. Is there a DIY guide to making one?
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Old 07-17-2009, 01:26 PM
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Ooooh I want to see how this turns out...
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Old 07-17-2009, 11:06 PM
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when i had an old suzuki jeep i had a muffler guy bend some pipe for me and we just stuck it to the throttle body and put a filter on the end. i'll see if i can find a pic. honestly it was pretty ghetto so i usualy dont point peepz down that ally unless you dont give a crap about how it looks or about Reliability
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Old 07-18-2009, 12:46 PM
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Just saw this on Trucks this morning . http://www.spectreperformance.com/#N...RODUCTS.050908
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Old 07-20-2009, 02:14 PM
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im not finding anything except a replacement filter, but i was hoppin to find a whole Cai setup, if anything, whats the best size cone filter if i end up makin my own?
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Old 07-21-2009, 11:38 AM
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DIY. Very Easy. SUPER easy. Did mine in a couple hours. With painting and dry time.

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Old 07-21-2009, 03:01 PM
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Old 07-21-2009, 03:06 PM
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did it make a difference in performance?
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Old 07-21-2009, 05:25 PM
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Sweet do you have a guide?
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Old 07-21-2009, 05:47 PM
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Quote:
Originally Posted by kineticenrage View Post
did it make a difference in performance?
Couldn't tell you HP or Torque changes without a dyno, but at the very least it is running much cooler on the guage and my MPG city improved about half a mile per gallon.

Quote:
Originally Posted by Wombatsxt View Post
Sweet do you have a guide?
No real need to have a guide.

Use ABS piping, 3 inch. Will need a rubber 3" coupling for connecting to engine. I used 2x 3" long 90degree elbows. Then just measure out and connect the elbows with 3" pipe. Angled the end (going to the filter) downward just a little bit (not more then 10-15 degrees). Peiced it all together and test fitted it, then ABS cemented them together, painted it all with Krylon Fusion textures silver (feels like sand paper).

Bent a peice of metal that had holes run through it, bolted around the piping then bolted to the frame where the air filter box used to be bolted. Picked up a "Specter" filter from the local Schucks (Napa, Autozone, whatever).

On an 03 or newer dodge you will need to move the IAS sensor (has blue wires) into the CAI. Just drill a lil hole in the first elbow (by the engine) and mount it in there. You can then run the oil breather hose into the CAI or just pop a small filter on it (like I did).

Couple more photos:




Last edited by SpokaneDodge; 07-21-2009 at 05:49 PM.
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