Reviewed By Matthew D (Stafford Springs, CT) Reviewed for a 2006 GMC Sierra —8/15/2012 9:16 AM
This glasspack is awsome!!!!!!!! Sounds sick on my Sierra 5.3 .I am really impressesd. Nice tone at idle, when you get into it it really sounds sweet. doesn't have that annoying drone while cruising around. I highly recommend this glasspack.