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
Reviewed By Paul S (Gilbert, AZ) Reviewed for a
—3/6/2012 8:09 PM
Reviewed By Sam P (Oldwick, NJ) Reviewed for a
—3/30/2007 11:52 AM
I noticed a bit more gas mileage on the highway. averaging about 21 to 22. Slightly noticable increase in power after first gear, but no increase in power off the line.