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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 03-09-2012, 08:27 PM
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Default Planned Exhaust Mods

Hey gang,

I recently installed the Volant CAI on my 2010 and now I'm looking to do the exhaust side. I'm planning to do shorty headers, Y pipe, and Magnaflow muffler. What kind of performance gains can I expect from doing these mods?

Thanks.

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  #2  
Old 03-10-2012, 03:16 AM
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I just got my exhaust done last Saturday and notice a huge difference in performance and sound I love my exhaust . I have true dual flowmaster 50 series(2) and live it. Got rid of my Y pipe. I'm glad i did it. I believe I gained 15hp and 10tq on just the exhaust and I have a K&N filter drop in and notice a difference as well .
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Old 03-11-2012, 12:29 PM
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you will definitely feel a performance gain with the setup your considering... and 2300, you would get better performance if you didn't go the flow way... ran flow 50's for a year and got sick of the interior noise so I switched to mags just to be quieter in cab and immediately showed gains in my track times..
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Old 03-11-2012, 01:15 PM
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Quote:
Originally Posted by chefred112 View Post
ran flow 50's for a year and got sick of the interior noise so I switched to mags just to be quieter in cab and immediately showed gains in my track times..
ive had the same thing happen with a different car of mine




OP,

find a sound you like, get a single in dual out muffler and have an exhaust shop weld it in in place of the stock one and you have a catback already. The factory piping is 3" and will handle all the power you feel like throwing at it, no need for the exhensive catback route
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Old 03-12-2012, 04:43 AM
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Quote:
Originally Posted by SS4Luck View Post
ive had the same thing happen with a different car of mine




OP,

find a sound you like, get a single in dual out muffler and have an exhaust shop weld it in in place of the stock one and you have a catback already. The factory piping is 3" and will handle all the power you feel like throwing at it, no need for the exhensive catback route
Exactly right. The factory supplied system isn't all that bad (minus that horrible manifold) and is easily upgradeable, just switch out the pieces you don't like such as the manifold,Y-Pipe, and muffler. After your all done it will still be cheaper purchasing a complete kit from companies like Flowmaster, Corsa, or Magnaflow and the performance gains are arguably the same.
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Old 03-12-2012, 09:35 PM
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Hey gang,

Thanks for the replies. Like my original post stated, I'm only replacing the Y pipe, muffler and manifolds. The rest will remain as is. As far as sound goes, the less obnoxious it is, the better. I'm really not about the noise anymore. Maybe twenty years ago, but not now.


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Old 03-12-2012, 09:51 PM
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Quote:
Originally Posted by SawdustJ View Post
Hey gang,

Thanks for the replies. Like my original post stated, I'm only replacing the Y pipe, muffler and manifolds. The rest will remain as is. As far as sound goes, the less obnoxious it is, the better. I'm really not about the noise anymore. Maybe twenty years ago, but not now.


JJ
Than definitely go for a Magnaflow or Corsa muffler, looking forward to seeing the progress on your truck
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Old 03-14-2012, 05:35 PM
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The shortys dont do much of anything on Hemi engines. Youd be much better off getting LT's. Many kits include high flow cats and can use the stock O2 sensor locations. You are going to need to cut up the exhaust to do a Y and muffler anyways, so save your dollars for something that works on your motor.
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Old 03-14-2012, 08:30 PM
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Interesting comments about the shorty headers. You're the first I've read here on the forum with negative input. Why do you say they don't do anything? Very curious...

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Old 03-14-2012, 08:44 PM
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Long tubes will give more power, but shorties still give more power over oem manifolds.
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