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Exhaust 5.7 HEMI Exhaust Discussion


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  #81  
Old 06-21-2011, 11:04 AM
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Pretty clean welds all in all.
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  #82  
Old 06-21-2011, 12:47 PM
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Looks pretty good!!!!
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  #83  
Old 06-23-2011, 02:27 PM
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Need ur advice 916Timmy. I finally crawled under my truck yesterday to see where the area looks like where u rerouted the pipe off the left cat. I notice fitting it between ur frame rail and transfer case and above the cross member, the pipe is close to the brake lines and close to two sender lines going to the trans. What do you feel about that. Was thinking of getting exhaust wrap for the trans lines and maybe some kind of shield are something for the brake lines. Whats ur thought on this?
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  #84  
Old 06-23-2011, 03:09 PM
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Mine actually comes out behind the tranny, so the heat wouldn't be as much of a factor to the gearbox....I'll check on the lines when I get home and let ya know! I haven't had any problems yet....3K miles so far.
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  #85  
Old 06-25-2011, 08:34 PM
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Had only the muffler installed today. Found out after they jacked the truck up and we where looking at ur photo and my truck that you have two wheel drive. I have four wheel drive and there just isn't enough room to do it. I must say though I really like the sound of the muffler. Same tone as the factory sport exhaust just a little louder. Still haven't gotten on it wot yet though since the truck still needs to be broken in.
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  #86  
Old 06-29-2011, 11:38 PM
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Quote:
Originally Posted by LoneWolfNY View Post
Had only the muffler installed today. Found out after they jacked the truck up and we where looking at ur photo and my truck that you have two wheel drive. I have four wheel drive and there just isn't enough room to do it. I must say though I really like the sound of the muffler. Same tone as the factory sport exhaust just a little louder. Still haven't gotten on it wot yet though since the truck still needs to be broken in.
I took print outs of Timmy's post to my exhaust shop. I have 4wd and his set up can be done. What's different is you just have to come straight back from the driver side a little further then under the trans tail shaft to make your y-connection. I found that its worth it to do for 2 reasons. Better exhaust flow which I now have better mpg's (not much but better) and second y-pipe is now out of the way when I need to change the trans fluid. My exhaust from back of the muffler is still stock with resonators so its still really quiet. My next move is going to be a set of shorty headers to merge my now better flowing stock-ish exhaust.
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  #87  
Old 07-07-2011, 02:18 PM
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RamPants that's the first I've seen anyone in this thread mention a positive mpg change from a mod of this kind, so maybe you can answer this as well.

Timmy you mentioned the hemi spools smoother/better with the Y-pipe/mag. Are you getting better low end torque, and how has this mod affected your daily driving mpgs? Also, how has the change in the flow affected your MDS functionality? (I've read elsewhere that changing anything in the the exhaust from stock can disrupt how that functions)

I'm not looking to build a racecar, I just like driving my truck smooth and steady and would like some more kick at low RPMs. I miss the sound/flow of my old 360 magnum-magnaflow hi flow-flowmaster 40... but I LOVE the power/mpg of this new hemi and want to get all the right research done before i start cutting into it. Thanks!
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  #88  
Old 07-07-2011, 02:44 PM
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It does seem to work a little better, and mileage improved a little, but with 3.21 gears, it's harder to notice those differences. I'm averaging about 16.5 mpg half highway and city with just the exhaust mod and a drop in amsoil filter!
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  #89  
Old 07-07-2011, 08:26 PM
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I will second what Timmy said. Its a small improvement. I am not going to lie and say that I picked up a full mpg but it seems like it doesn't have to work as hard to maintain a constant speed. If I had to guess maybe I picked up a few tenths of mile per gallon. It all helps, right? What I will say is that this is the only mod currently on my truck. And again, mine has the 22" magnaflow so its too quiet in my opinion. If I did it again, I would go with an 18". In addition, I will also note that Timmy's signature shows that his rig is doing low 15's in the quarter mile with a nearly stock Ram that could go on a diet. My truck has 3.55 gears and is 4wd and I drive between 65 and 70 and avg around 18mpg. But I live in Michigan where its relatively flat. I'd be lying if I did not say that I would be happy if my truck did low 15's in the 1/4.
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  #90  
Old 07-07-2011, 09:39 PM
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That's all I needed to hear, thanks for the input.
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