B Bob New member Aug 23, 2009 #1 I have a 2009 toyota tundra with the 4.7 in it fuel economy is not the best what are some ways to improve it besides a kn and exhaust I drive the speed limit, but I run the ac because I live in la. and the heat index was over 110 the other day
I have a 2009 toyota tundra with the 4.7 in it fuel economy is not the best what are some ways to improve it besides a kn and exhaust I drive the speed limit, but I run the ac because I live in la. and the heat index was over 110 the other day
