Reviewed By katelynn o (YORBA LINDA, CA) Reviewed for a 2006 GMC Sierra —12/27/2013 10:40 PM
Got the flowmaster for my fiancée gmc Sierra! He's in love with it that's all I can say!
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.