1st post need help with 4.7 v8
Hello, I Have A 2001 4x4 4.7v8 Tundra, I Have Dual Exhaust And Have Put The K&n Air Filter System On My Truck. I'm Not Very Happy With My Gas Mileage, 13-15 Mpg. Do They Make A Chip For My Truck Or What About A Tunner? Any Ideas On How To Improve My Gas Mileage. Brad
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