Reviewed By Lynn m C (Rome, PA) Reviewed for a
—10/4/2012 3:32 AM
Didn't really notice a difference in the sound of my exhause like i had hoped. I haven't driven enough miles to know if it has helped my milage.
air raid jr
Reviewed By Colbert B (Marrero, LA) Reviewed for a
—4/3/2012 4:29 PM
it woke up my 2007 avalanche and i do see an increase in mpg
The sound I wanted
Reviewed By Matthew S (Ardmore, OK) Reviewed for a
—5/28/2012 8:26 PM
Can't tell if it's helping fuel economy yet but it's making the deep sound I was after when I get into the throttle.