Finally taking care of the stock exhaust on 2010 Yukon Denali!

[07Burb]

What is the size of the OEM pipes?

I know it's 3.5" after the muffler, not sure if it's the same from the muffler to the cat.

Mike....also know that the 6.2 equipped rides (Denali, Esky, some tahoes,...) will have that larger diameter. The 5.3 equipped rides will have 2.5" pipe so it's important to keep that in mind.

 

[John_denali]

I also have it on the stock tune at the moment, so see if the tune makes it any louder.

Do you also have a CAI and if so which one? 50 hp with an exhaust is enough to change my mind about keeping my stock set up.

 

[JennaBear]

Do you also have a CAI and if so which one? 50 hp with an exhaust is enough to change my mind about keeping my stock set up.

Was just kidding about the 50HP, as most manufacturers will have high claims on their products. It does seem peppier, but no huge performance difference.

I am not running in intake on my Yukon, all stock except for exhaust....at the moment....

 

[John_denali]

Was just kidding about the 50HP, as most manufacturers will have high claims on their products. It does seem peppier, but no huge performance difference.

I am not running in intake on my Yukon, all stock except for exhaust....at the moment....

Lol figured you were blowing smoke but just wanted to ask, I would only expect a gain of about 10hp. So what's next on the list for the Denali?

 

[JennaBear]

For now, I still have a drop kit and Wilwoods waiting to be installed.

 

[Brock]

Good job! Mine was 5 hours in the shop & about $700. But way louder!

 

[1Agerry]

Very nice! looks great with those tip's!

 

[JennaBear]

Still loving the exhaust, definitely didn't want anything loud!

 

[NORCAL SS]

stock exhaust is 3.5 inches is the corsa still 3 inch?

 

[Jmat]

Looks great! You'll probably want to get it tuned... I know a guy...