Reviewed By STAN S (Wausau, WI) Reviewed for a 2004 Pontiac Grand Prix —3/19/2011 9:35 AM
The fit was great it bolted right up.
Reviewed By Jgru K (Flanders, NJ) Reviewed for a 2004 Chevy Silverado —3/14/2015 5:47 AM
Great replacement for stock cats. Noticed significant increase in power and good sound with Flowmaster muffler . No problem with codes from o2 sensors with new parts. A lot less expensive then stock factory parts.