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Anyone have a flapper for a 6.2 they want to get rid of?

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Robert Mcbride Enthusiast

Robert Mcbride

Posted
Posted
3 hours ago, BluegrassMotorsport said:

For the record, I crawled under my 6.2 truck this evening and there are definitely two flappers underneath. Y'all might want to check again. 

The guy that cut my muffler out said he’d never seen the one flapper pre muffler before. 

J2Jones Enthusiast

J2Jones

Posted
Posted
On 9/18/2020 at 1:22 PM, MG386 said:

My 2020 AT4 6.2L had 2 flappers, one before and one after the muffler, I know for sure because I did the work myself. Sorry I don't have them anymore, but with a good muffler, you don't need any flappers. I put on the GM performance system and sounds great.

Sent from my Pixel 4 XL using Tapatalk
 

 

Same with  my 2019 AT4 with 6.2L.  I have both flappers still if anyone is still looking for one.

 

  • 2 weeks later...
bbmxta Enthusiast

bbmxta

Posted
Posted

2020 SIlverado RST with 6.2L, I have 2 flappers on mine as well.  One right before and one right after muffler.

Rob Mugs Enthusiast

Rob Mugs

Posted
Posted

Maybe the 1 vs 2 is due to the package you have?

 

I have a 6.2 LT Trailboss and have 1

TFDBC415 New Member

TFDBC415

Posted
Posted

Mine is a 2020 LT Trail Boss 6.2. Have 1 before and 1 after the stock muffler. I’m putting a Magnaflow 11229 on Friday and keeping the front flapper on. 

RyanbabZ71 Senior Enthusiast

RyanbabZ71

Posted
Posted

Two on mine I just put the AFE muffler delete on and it keeps the front flapper but removes the rear

f78cf7e95192be0a663aaf17dc6b5650.jpg

It’s loud when hitting the gas but quiet when cruising


Ryan B.

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