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Stock muffler size on an 06 crew cab lbz?

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Discussion Starter · #1 ·
Hey guys

what is the stock size of the exhaust pipes?
'i just want to add a high flow muffler to my existing pipes?

thanks for the help
 
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redneck1572

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#2 ·
3.5" u should put on an MBRP 4" turbo back system!!!!!!!!
 
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redneck1572
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