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Exhaust Adaptive Valve

MotoMedic

By MotoMedic
in Engines & Drivetrain

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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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  • 1 month later...
PMD G8 Enthusiast

PMD G8

Posted
Posted (edited)

Fixed mine today with a hose clamp. If I start shitting money then I will eventually get a new muffler and have it deleted at the same time.

 

Of further note, I have the 6.2 and my dad's 2011 Denali sounds 100x's meaner than this truck. Pathetic.

 

20140404_144809_zpsb2719ca5.jpg

 

20140404_144754_zpsd584e078.jpg

Edited by PMD G8
  • 3 weeks later...
jcchevy Enthusiast

jcchevy

Posted
Posted

Fixed mine today with a hose clamp. If I start shitting money then I will eventually get a new muffler and have it deleted at the same time.

 

Of further note, I have the 6.2 and my dad's 2011 Denali sounds 100x's meaner than this truck. Pathetic.

 

20140404_144809_zpsb2719ca5.jpg

 

20140404_144754_zpsd584e078.jpg

 

Do either of you who removed/binded/restricted etc.. the "flapper" open notice the AFM 4 cylinder mode louder/drone now? Especially curious with those with the 6.2L

Sooperdave Enthusiast

Sooperdave

Posted
Posted

 

Do either of you who removed/binded/restricted etc.. the "flapper" open notice the AFM 4 cylinder mode louder/drone now? Especially curious with those with the 6.2L

Nope, none whatsover! Clamp that sucker. It gives a nice lil note.

iCryWheniGoPoop Enthusiast

iCryWheniGoPoop

Posted
Posted (edited)

 

Do either of you who removed/binded/restricted etc.. the "flapper" open notice the AFM 4 cylinder mode louder/drone now? Especially curious with those with the 6.2L

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 hard to go by what people think actually sounds good and the name Justin Bieber pretty much sums that statement up. :banghead:

Edited by TDT
  • Like 3
fondupot Senior Enthusiast

fondupot

Posted
Posted

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 hard to go by what people think actually sounds good and the name Justin Bieber pretty much sums that statement up. :banghead:

 

What size clamp do I need? 3"? 4"?

iCryWheniGoPoop Enthusiast

iCryWheniGoPoop

Posted
Posted

 

What size clamp do I need? 3"? 4"?

I would get a 5 or 6" from Home Depot, hell you could lock it down with a 2" clamp just wrapped around the two square heads on the valve end, its just a little harder to hold when you do it but not impossible by any means.

RyanbabZ71 Senior Enthusiast

RyanbabZ71

Posted
Posted

I did the same hose clamp method on my camaro. They put this bs valve on the convertibles. The rattle of it opening and closing sounds like garbage. Problem solved Lways open sounds great

 

 

Ryan

440hsp Enthusiast

440hsp

Posted
Posted

The crappy valve was causing a whistling sound to come out of my exhaust pipe when I pushed on the gas pedal at lower rpm's. Took it to the stealership to get it fixed and they said there was nothing wrong. Pissed me off because the noise reminded me exactly of the commercial where the guys motorcycle sounded like a weed eater. Lolol. Not the sound you wanna hear from a 6.2. Clamped it and now no more whistle.

 

Sent from my SAMSUNG-SM-N900A using Tapatalk

14'SilveradoLT Enthusiast

14'SilveradoLT

Posted
Posted (edited)

Clamped mine yesterday....it sounds much better w/ the muffler delete. The truck also feels like it's holding the gears better.

 

I also pulled 24.4 MPG 22 mile trip last night. The highway mileage on this thing is awesome to be a truck.

Edited by 14'SilveradoLT
440hsp Enthusiast

440hsp

Posted
Posted

I'm assuming you're 5.3? Just took my 6.2 for a 800 mile trip and the best I could average from texas to Louisiana was 19.2 MPG with the cruise set at 75 mph.

 

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14'SilveradoLT Enthusiast

14'SilveradoLT

Posted
Posted

I'm assuming you're 5.3? Just took my 6.2 for a 800 mile trip and the best I could average from texas to Louisiana was 19.2 MPG with the cruise set at 75 mph.

 

Sent from my SAMSUNG-SM-N900A using Tapatalk

 

Yeah I'm 5.3L w/ 3.42's and that was at 65mph. Seems to be about my sweet spot.

440hsp Enthusiast

440hsp

Posted
Posted

Gotcha.. wish I could achieve that kind of mileage without only being able to drive 60 mph. Lol

 

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