Make my 5.3 sound like a 6.2. HELP.

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totheyard

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If part #1 is 3.5in, then the flange will probably not fit the 5.3 exhaust manifold. I would look for you, but the wife has the truck.
 

Blazed

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And well I'm pretty sure the flange size above the cats is the same but if you could check for me when you the car that would be fantastic!
 

07whitetahoe

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The manifolds between the 5.3 and 6.2 are different. Pretty sure it won't bolt up, 5.3 has 2.75" tubing behind y-pipe, 6.2 has 3.5".

Just have a shop weld in a flo-pro big oval muffler that is slightly louder than "stock sound"muffler. PN 2510 is a 3.5" in and out, used on NNBS 6.0 and 6.2 trucks. A muffler shop should be able to make adaptors to go from 2.75" to 3.5", plus it will be TONS cheaper than what sounds like you are working on
 
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kses123

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Yes, the manifolds are different, but the connection at the manifolds is the same on the 5.3 and 6.2.
 
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Goodinblack

Goodinblack

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Kses123.........Is the Amsoil filter you are using reusable/washable like K&N's?
 

kses123

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No, it is not. That is why I got it. I just didn't like how messy and oily the K&N one was. The amsoil one didn't cost very much either, so it doesn't really bother me.
 

Blazed

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So kses your sure the connection at the manifolds is the same?
 

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