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ckresto · 05-15-2008, 02:38 PM

I have a 2007 duramax lbz that I took my cat and muffler off, Now I came across a good deal on a 5'' catback. My question is a guy wants my hole set up and he would give me his but his still has the cat, if I use the cat is there any difference on power with or with out the cat?

Sorry for the stupid question.
Thanks guys.

05-15-2008, 02:38 PM	#1
ckresto FSC Member Status: Offline Join Date: Apr 2005 Member ID: 27275 Pics: My Gallery Location: Hewitt, TX Age: 26 Posts: 33	question on catback I have a 2007 duramax lbz that I took my cat and muffler off, Now I came across a good deal on a 5'' catback. My question is a guy wants my hole set up and he would give me his but his still has the cat, if I use the cat is there any difference on power with or with out the cat? Sorry for the stupid question. Thanks guys.