3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

Straight Piped '06?

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Old 09-01-2007, 06:20 PM
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So did you guys keep the resonator on your mega's????
Old 09-01-2007, 08:11 PM
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Yep I did not sure it makes a big dif. since its 4" strait thru but well worth the 80 bucks to have done muff delete. Now I'm afraid if I would remove res. I'd get loader for daily driving.
Old 09-01-2007, 08:24 PM
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My '03 couldn't be any more stock. There is NO WAY I'd remove the cat, but could possibly gut it. I could do a homemade muffler deleat pretty easy.

The reason I'm even asking is that the exhaust sounds very "whooshy" at idle.

And anything that helps my mpg makes me smile!
Old 09-01-2007, 08:30 PM
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I have a 03 with a cat. Will my truck perform better with a muffler delete? I like quiet How loud will it be?
Old 09-01-2007, 08:38 PM
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Originally Posted by stealman1
I have a 03 with a cat. Will my truck perform better with a muffler delete? I like quiet How loud will it be?
Listen to the vid's I posted earlier... It will definately help it exhale better..
Old 09-01-2007, 09:06 PM
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06 mega muff and cat delete,left the resonator.Went to napa and bought 4" staight pipe,can't complain for the money I spent.Would like to get the 5 " though.
Old 09-01-2007, 09:07 PM
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I've got 300 bucks in my 5" system!!
Old 09-01-2007, 09:09 PM
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about 75 bucks in mine,but three hundred sounds good do tell.
Old 09-01-2007, 09:17 PM
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http://www.dieselperformancesystem.c...mance.html#top

They're prices went up... I think they have sales everyonce in a while. BUt I got mine for $300 with free shipping!!
Old 09-01-2007, 09:21 PM
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Thanks Shane

Ray
Old 09-01-2007, 09:21 PM
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Originally Posted by ryfrat
Thanks Shane

Ray
Anytime!!!!
Old 09-02-2007, 12:28 AM
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I might be able to help, I did just a muffler delete on my 06, its stock otherwise with a liner in the bed(figured this might actually aid in noise insulation) and I like the sound w/o the muffler. Sounds pretty stock at idle but once you open it up it sounds pretty mean. I have driven it a little at 65-70 and there is not to much drone but a tad. The inside resonation under acceleration is kind of annoying at times(especially when the engine is cold). I feel like the throttle response is a tad better but my mileage hasn't really changed.
Buy a muffler delete pipe, drive it, see if you like it and if not put the old one back on.

FYI, i put a sound meter on it before and after and the only real change was under acceleration w/ a load. Changes the tone more than anything i think.
Old 09-02-2007, 01:46 AM
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Don't forget guys, I have already done a cat. delete. Now I'm thinking about doing the muffler delete too. I wish I had just left the cat. and done a muffler delete. But, I did a cat. delete to get some sound out of the Banks setup. It helped but, it's very quite driving. I'm just looking for some more sound. So, that's where the idea of a muffler delete with the cat. delete came in for a full straight piped exhaust with duals. Very hard decision for me.
Old 09-02-2007, 12:47 PM
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On my to do list is a hunk of muffler pipe approx. the same length as where the muffler will be cut out, and a couple good wrap clamps to seal it up.

I imagine the cat will tame it enough not to be too annoying.
Old 09-02-2007, 12:57 PM
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a straight piped 04.5 or newer is gonna sound the same as a straight piped 06, I run 5" also with a muffler and I like the way it sounds. you can run the straight pipe setup with a stock turbo and its not that bad but when you get an aftermarket turbo the drone is horrible. I run the exhaust from diesel performance systems but a different muffler because it wouldnt work with the exhaust. I have a diamond eye muffler I got from a member on here and I like alot. it has a deep tone and took almost all of the drone from the cab
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