Reviewed By Carlos P (OAK HARBOR, WA) Reviewed for a 2005 Mazda 3 —3/29/2013 7:51 PM
easy to install, great soft tuned sound, excellent performance, thank you.
Reviewed By RENE S (Arlington, TX) Reviewed for a 2005 Pontiac GTO —3/24/2017 6:48 AM
These Super 40's really woke the car up. Very noticeable gain in acceleration. I also had my muffler shop install an X-Pipe and wow did this pairing wake this GTO up. Spent half of what a cat back system would of cost.