Borla Pro XS muffler swap

jdnjo · May 21, 2017

Had mine a year and a half on the 6.2L. Love it. Has gotten a little louder/deeper over time.

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STINSAN3 · May 22, 2017

Had mine a year and a half on the 6.2L. Love it. Has gotten a little louder/deeper over time.

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Whats the part number or model for your Borla muffler? I think I'm gonna delete my flapper and resonator when I do swap out mufflers

Dezrado · May 22, 2017

Whats the part number or model for your Borla muffler? I think I'm gonna delete my flapper and resonator when I do swap out mufflers

im using 40359 on the 5.3L, really cheap on ebay too

jdnjo · May 22, 2017

Whats the part number or model for your Borla muffler? I think I'm gonna delete my flapper and resonator when I do swap out mufflers

Borla 40722 XR-1

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STINSAN3 · May 22, 2017

I called Borla today and told em the specs on my truck and they me get the 40946, since its 3.5" and fits the specs on my 14 6.2L

Dezrado · May 23, 2017

I called Borla today and told em the specs on my truck and they me get the 40946, since its 3.5" and fits the specs on my 14 6.2L

do it!

juscuzram · August 9, 2017

I just ordered a Araid MIT and am also looking at swapping mufflers, I am going to leave the flapper and resonator. Have any of you guys put a Brola Pro XS muffler on your truck, If so how has it worked out, I am looking for minimal drone with a nice low rumble that is it.

Did you get it installed yet? Thinking about the same muffler and leaving everything else in place.

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