Reviewed By erik m (MUSCLE SHOALS, AL) Reviewed for a 2004 Pontiac GTO —12/17/2013 6:13 PM
I have a 2004 gto and this product woke it up tremendously making it a beast I highly recomend this product.
Reviewed By Ensign E (Harrisburg, OR) Reviewed for a 2006 Hummer H3 —5/22/2016 10:29 AM
I have a Hummer H3 not Much at first the more I drove it started changing The tone Change I have Delta 50 flow master three inch in and out. The sound is Great. The shifting well improved I have the four speed automatic. Won't shift in four gear tell the temp goes to Normal Every time startup it get better