Reviewed By Howard M (Saint Peters, MO) Reviewed for a 2007 Pontiac Grand Prix —5/1/2014 4:33 AM
this system is just perfect for my wants thank you
Reviewed By Michael N (Phoenix, AZ) Reviewed for a 2006 Pontiac Grand Prix —7/16/2014 4:12 AM
I have been looking for a set of headers for my car for sometime now. The Doug Thorley headers look great, sound mean, the price was right but they were a real chore to install. I would buy them again.