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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 05-28-2014, 10:05 AM
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Default Cold air intakes

Question,
I opened up my exhaust just a bit with a flow master muffler.
It has been suggested that if I then add a cold air intake I will need to have the dealer reprogram the computer. Didn't sound correct to me.

Any thoughts?
Any suggestions on a cold air intake?

Thanks
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Old 05-28-2014, 01:12 PM
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My thought is... that's a bunch of horse pucky! But, it's also my thought that these stock CAI systems don't need any improvement. Sure, you can spend a few hundred bucks and make them sound a little better, but you won't get any measurable (butt dyno) performance out of them.
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Old 05-28-2014, 01:30 PM
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Exactly what Roger said ^^ If you read around the forum a bit you'll find tons of information on it. The stock CAI will support 500 hp no problem. Plus just doing a Flowmaster swap very minimally opened up your exhaust.

Go out, disconnect your battery and touch the positive and negative wires together to discharge any current left in the system. Wait a few minutes and then hook them back up. That will reset your computer and let it relearn the truck with the new exhaust which essentially reprograms it.
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Old 05-28-2014, 02:29 PM
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Default Agreed

It sounded like bull but you can never be too careful.

Has anyone seen any improvement from using a cold air intake?
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Old 05-28-2014, 09:32 PM
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Regardless of what people say buy a cold air and go to the track. You will get 3 tenths off your time... you may not feel it a whole lot but it does work. . Just my experience. And this is cold air and exhaust only
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Old 05-28-2014, 09:39 PM
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Check out the Vararam. Looks nice, can't prove it gained more hp, but I did cam and some other mods at the same time. To me worth every buck, my wife might argue, but...
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Old 05-28-2014, 10:04 PM
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Default

Quote:
Originally Posted by wr986 View Post
It sounded like bull but you can never be too careful.

Has anyone seen any improvement from using a cold air intake?
I've seen some mild gains maybe 10+ HP using the K&N. Sounds nice with the exhaust
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Old 05-29-2014, 01:19 AM
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I would invest in a tuner first. Diablo Sport (or the like) will definitely give you seat of the pants for the money!
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Old 05-29-2014, 10:41 AM
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Default

the so called CAI .....

in actual fact what you are doing by installing one is putting on a HAI

the OEM air boxes draw air from a cooler (denser) air source outside of the engine bay whereas the Hot Air Intake kits use a less dense hot air source and actually result in a loss of horse power under most under hood conditions

the increased induction noise sounds good and gives us a false sense of 'goin faster' but the reality is vastly different from the sale hype

you don't need to be an engineer to figure out the logic behind this

manufacturers won't spend one thin dime on anything they don't have to and it costs a fair bit of money X's say 200,000 trucks annually to pipe cooler air to the motor, the reason for this is drive-ability and increased efficiency

bottom line is forget the Hot Air Intake system
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Old 05-29-2014, 11:38 PM
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Default

cai's and ram air intakes are all about getting more air into the engine, And when you are driving down the road the wind supplies the cai or ram air intake with fresh cool air. And obviously the more mods you have done, the more efficient the engine will be.
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