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Exhaust Adaptive Valve

MotoMedic

By MotoMedic
in Engines & Drivetrain

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Bigluke Enthusiast

Bigluke

Posted
Posted (edited)

I ran mine over the axle then dumped them by the spare tire. I would recommend doing that the same. My buddy dumps his right after the muffler and its pretty loud.

 

Did you notice any power lose when dumping it

Edited by Bigluke
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CorvetteOJ
CorvetteOJ

Hey Medic, when I read your post, I immeidately remembered when I was a kid, (teenager) guys would stick raw potatoes on the end of someone's exhaust pipe, and in most cases, would get the same effect

iCryWheniGoPoop
iCryWheniGoPoop

What Dave said... whats it going to hurt anyway, just put a $2 hose clamp on it for now and see if you like it. If you don't... crawl back underneath it and take 30 seconds to pull it back off. Its ha

45acp
45acp

I like the hose clamp idea. Cheap and easy to try and if you don't like it take it off.   DJ

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TJay74 Senior Enthusiast

TJay74

Posted
Posted

I personoally only use Magnaflow, I have the 5x11x22 in mine and it sounds great, but it also was the only muffler that Magnaflow offers that has 3.5" inlet/outlet in a center/offset configuration.

Ulukslo Enthusiast

Ulukslo

Posted
Posted

Tjay , would it be possible to get a sound clip of your truck at startup and idle and rev? Thanks alot

MotoMedic Senior Enthusiast

MotoMedic

Posted
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Posted

Did I miss it or what's the point of this flapper anyways?

 

To quiet the exhaust note when at lower RPMs... basically the opposite of what most on this forum want. ha

iCryWheniGoPoop Enthusiast

iCryWheniGoPoop

Posted
Posted (edited)

 

Yep... it's supposed to reduce noise/drone during regular driving and V4 mode.

 

Dynomax uses them... notice how smooth & well-designed the Dynomax valve is v/s GM's design. http://www.dynomax.com/mufflers/dynomax-vt-mufflers

 

 

 

 

I wonder what that little return spring is made of on the DynoMax... I just cant see it holding up to a couple thousand heat cycles, but I'm sure DynoMax Engineers have thought of that and made the spring from some tung-stain-tanium alloy, only mined in the remote regions of of SW Kansas.

Edited by iCryWheniGoPoop
kdj14 Enthusiast

kdj14

Posted
Posted

Did the muffler delete at about 700 miles and by a thousand that damn valve started rattling like crazy during cruising speeds. Gonna go with a Magnaflow with dual outlet and regular chrome tips out the rear. Screw that piece of crap valve.

fondupot Senior Enthusiast

fondupot

Posted
Posted

I deleted the valve and it sounds much better!!

 

gallery_127865_2503_178213.jpg

 

gallery_127865_2503_84596.jpg

 

th_IMG_55821.jpg

 

 

Thats stock exhaust? Sounds great!

  • Like 1
Bigluke Enthusiast

Bigluke

Posted
Posted

Okay so I installed my new muffler went with a flowmaster 40 series just single in single out and had the resonator removed it sounds good but there a weird noise almost like a exhaust leak but check all the welds there good. Could this be the stupid valve behind the muffler and should I remove it

Ulukslo Enthusiast

Ulukslo

Posted
Posted

Yes, stock 6.2L exhaust with the adaptive valve removed.

I cant get it to play on Ipad can you put it on youtube or something?

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