07 VortecMax Sierra

968 Views 2 Replies 3 Participants Last post by ChevyRacing48, May 27, 2008

supergas

Discussion Starter · May 27, 2008

I am looking for a "Factory" cat-back dual outlet exhaust system for my 07 Sierra with the 6.0 VMax package.

I thought I saw one in GM Performance Parts but cannot find it. I am looking to add the exhaust, intake & programmer to see if I can get over 400 HP out of this thing... It runs pretty good now but could do better & may get a 1 or 2 MPG better.... I do a lot of highway driving @ 75 or above...

Anyone know who makes the best exhaust system for the 6.0 ???

Thanks,

Supergas

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likearock00

· #2 · May 27, 2008 (Edited)

If you want to go with GM, just go to the parts dept where you bought it.

If I was going to do it, I'd go with Flowmaster. When I looked at this site, all I got for the 6.0 is a Gibson system for $450:

http://www.car-stuff.com/store/?N=10557+4294966856+1623+11920+9292

You may want to PM shadams. He knows his junk about trucks!

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