Hi there guys hope ur all fine...

im ordering Longtube headers from ARH but i dnt know which one to choose... 1 3/4 + cats or 1 7/8 + cats..

ill be installing this cam after the installment of the headers

http://www.livernoismotorsports.com/...t.phtml?p=1942

waiting for ur replies

 

Is this going on the Denali?

 

Yup..

 

ARH has the 6.2liter 1 7/8 kit, that is what you would want.
i installed a set last month, perfect fit

 

how much rwhp gain did u get?