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5.3l TB muffler swap for magnaflow 12249

Meethead
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Meethead Enthusiast

Meethead

Posted
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Even all,

 Looking to swap the stock muffler in my 2021 5.3 TB. I had a 2016 sierra 5.3 and swapped the stick muffler with Magnaflow muffler and it sounded amazing. No drone no obnoxiously loud in the cab. Curious if anyone has swapped this muffler on these generation trucks. 

 

 

  • 3 weeks later...
None12 Enthusiast

None12

Posted
Posted

I put a 14" magnaflow on my 2020 5.3l. I don't remember the exact model #, but it sounds great. Not obnoxious and waking up the neighbors, little drone, and when you need someone to know you're there, they will!

  • 4 weeks later...
Tano53180 Enthusiast

Tano53180

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Posted
On 8/14/2021 at 9:33 AM, LAAC said:

I put a 14" magnaflow on my 2020 5.3l. I don't remember the exact model #, but it sounds great. Not obnoxious and waking up the neighbors, little drone, and when you need someone to know you're there, they will!

can you post some videos if you get a shot and maybe the part number please.

  • 1 month later...
None12 Enthusiast

None12

Posted
Posted
On 9/6/2021 at 6:31 PM, Tano53180 said:

can you post some videos if you get a shot and maybe the part number please.

 

On 9/6/2021 at 6:31 PM, Tano53180 said:

can you post some videos if you get a shot and maybe the part number please.

Yes. I'll post a video on Tuesday when I get a chance.

 

None12 Enthusiast

None12

Posted
Posted
On 9/6/2021 at 6:31 PM, Tano53180 said:

 

The model number is 11229. For some reason I cannot post the video, but there are many of 5.3l on YouTube with this same muffler.

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