Reviewed By Matthew R (Renton, WA) Reviewed for a 2004 Mazda 6 —7/5/2007 9:49 AM
This was a great purchase. I have an intake and exhaust and the chip was tuned for both items. There was a definite increase in WHP and torque. It took about 20 min to install and only two days to get to my house with free shipping. Great product and service!!!!