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Discussion Starter · #1 ·
Just bought my first Duramax! 2015 Gmc! im looking to make sound better! Stock is way too quiet! with out voiding the warranty quiet yet.. it has only 900 miles on it!
Does anyone know if you can do the cat delete without tuning or any issues?

Thanks
 

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Discussion Starter · #4 ·
Dang, i was hoping i could do something.. i can squeeze somethings thru on warranty but not a full delete kit!
 

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The Chevy dealer in Ashland Va.replaced the MAF sensor on my Banks Air Intake under warranty. Not too sure I didn't mess it up during installation.
I was waiting for the sorry you modded it speech but nope just a work order and please come back.
That and a MF 5" DPF back exhaust are the only mods on my 2014 3500 CC SRW.
 
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