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Wagnasty

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Are you refering to it not being a Y pipe? Where it's 2 pipes that go in to the muffler? Or is there something else different?
 

ezdaar

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Yes, exactly that. What are your plans to connect a standard y pipe to the denali catback, or are you going to use a yukon style catback?
 

Pachanga02

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For the denali 6.0 engines do you have to purchase the y pipe along with the headers? I'd like to do headers and maybe a cam down the road on my girl.
 
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Wagnasty

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I did away with the factory catback and had a local muffler shop put in a MagnaFlow. I'm not happy with it at all so I will probably just replace everything when I install the headers
 

YukonXL04

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You can buy the headers with or without the ypipe. For a denali either have a shop make you pipes that hook to the denali duals, or buy a yukon cat back and run that with the y pipe
 
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Wagnasty

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I wish there was a way I could get a X-pipe in there and turn the exhaust out before the rear wheels on both sides but the fuel tank is in the way. I'm trying to avoid your typical truck sound if that makes any sense. The popping/clapping sound. I thought it was because the pipes were so long but I moved my muffler right up to the transmission cross member and have the outlet coming out under the running board. It still sounds the same but a tad louder.
 

Rosson03

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I have speed engineering so does ezdaar. Both of us have had no problems with them. You won't need 1 7/8 primaries unless you have some serious boost.

I have a pretty large cam and no problems at all getting the air out.

what model number do you have and do you have wifi as well with them I am very interested
 

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