Reviewed By Alex W (East Orange, NJ) Reviewed for a 2001 Oldsmobile Alero —11/15/2012 12:23 PM
had it professionally installed sound better than i could image dont know about fuel eco cause i gotta heavy foot but couldn't be happier
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.