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Stock or quiet Muffler with Headers?


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I am looking to quiet down my exhaust, by a lot. I currently have American Racing longtube headers, no cats, and a Magnaflow resonator ("race muffler" is what they call it on their website). The truck is way too loud. Wakes my neighbors up even cranking it in the garag. I think it sounds great when your pinned to the floor but can not stand the super raspy tones that it sends out at mid RPM.

 

I am wanting to leave the longtubes w/o cats and add a muffler just cant decide which one to go with. I'm wanting to go much quieter so was wondering how much power I would actually lose if I were to install the stock exhaust with longtubes and no cats. Trying to describe the sound I'm looking for is very difficult but I feel like the stock muffler or maybe one that quiets it down a lot would be what I'm looking for. The only thing I can think of to describe is the sound of a stock Z06 Corvette. Obviously it would take a lot more to achieve such an amazing sound but hopefully you get the picture.

 

To narrow it down, I'm looking for a quiet, inexpensive, exhaust that isn't going to make me lose power.

 

The ultimate goal for the exhaust is to make it quiet for cruising and have an electric cut out for when I really want to open her up.

 

Thanks in advance! Looking forward to getting this right!

 

 

 

Below is a video of what it sounds like now.

 

 

 

 

Edited by RaptorEater
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Depending on the neighbors stock may be your best bet without cats and resonator. You might get away with say a 22 inch Magnaflow or such but probably not without adding a resonator. Contrary to belief cats do tame down exhaust sounds considerably.

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I dont have an answer for what you are looking for, but i just had to say DAMN nice High country!

I have kooks 1 7/8 LT catless Y pipe on order now and running Corsa Sport now.

I know some people run Touring mufflers and they are super quiet, not sure on the price though.

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07 do those knockoffs have any packing inside to dampen sound? Magnaflows do so they will be quieter but probably not to the extent RaptorEater is looking for. Shoot even a Borla Touring is loud as heck in a 5.3 with LT headers and no cats.

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Good luck with your test 07 hope you get the sound/tone your after. Like I said without the cats it's tough to get a good non raspy tone that won't wake up the dead or piss off the neighbors.

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I have the 12909 Magnaflow 22" for mine. At idle most think I am stock as it is fairly quiet no drone when cruising... I am not running headers though... Removed the flapper, and resonator as well. When I gun it, it gets quite a bit louder... I doubt it will tame your catless longtube set up but it could be a good place to start. My understanding from the stock muffler cut in half images I have seen is not a straight pass through setup which may affect your performance gains of adding the headers. Just my thoughts.

 

Sent from my Note 5 using Tapatalk

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I run the oem catback with my catless headers/y. I replaced the oem muffler with Borla 40359. The key in my opinion to keeping that sound down is the stock resonator, which I still have in place.

 

Maybe just try adding that back in first and see if it helps you.

 

Sent from my SM-G930V using Tapatalk

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Grab a muffler from a previous generation 07-13 6.2 truck, they flow really well, and sound great. On my 2011 6.2 Sierra I had Kooks 1 7/8" headers catless going back to the factory 3.5" cat-back, loved the sound. Nice and quiet on the highway, but had plenty of growl when you laid on it. That's the setup I plan to run when i get some headers for the new truck.

Edited by pewterliftedz
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I run the oem catback with my catless headers/y. I replaced the oem muffler with Borla 40359. The key in my opinion to keeping that sound down is the stock resonator, which I still have in place.

 

Maybe just try adding that back in first and see if it helps you.

 

Sent from my SM-G930V using Tapatalk

 

Would you happen to have a video of yours? What are you referring to as OEM if you replaced the muffler? Just the piping and resonator? Definitely sounds like something I'm looking for. Thanks!

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