07+ Yukon XL Denali Exaust

[Davey]

Looks like I am going with magnaflow!

 

[07Burb]

Can't got wrong with magnaflow or flowmaster IMO....

 

[Upstate]

Anyone have any ideas on hp /tq gains or mpg gains with any of the systems?

 

[felixgun]

I have a magnaflow 12589 muffler with volant tips... love it.

 

[07Burb]

Anyone have any ideas on hp /tq gains or mpg gains with any of the systems?

With just the system and no other mods?? minimal at best no matter what the websites say Mainly just a nicer sound...

 

[Upstate]

With just the system and no other mods?? minimal at best no matter what the websites say Mainly just a nicer sound...

Honestly, in some cases with less back pressure I could see a loss in mpg for normal driving.

 

[07Burb]

^^^This wouldn't surprise me.

 

[BigRed76]

I LOVE my Corsa ........... Magnaflow has dreaded "drone" issues IMO

 

[mlwald79]

corsa sport

 

[SLT Kon-Man]

Corsa Touring, mellow tone at lower RPM, and agressive tone at higher RPM...