Effect of Intake Air Filter Condition on Light-Duty Gasoline Vehicles. Thomas, J., West, B., Huff, S., and Norman, K.Switching to a K&N filter is an effortless method of increasing gas mileage. This helps increase fuel economy as well as offer your vehicle more gains in horsepower. I recently switched my GM factory air filter to a washable K&N air filter partly because the OEM filters for my vehicle cost nearly 70. You can get better mileage with more airflow, but only if you dont use the extra horsepower to hotrod. Unlike your typical air filter, K&N air filters allow more air into your engine. The issue of whether to change your factory air filter out with a 'cold air intake' such as K&N is a hot one. Effect of Air Filter Condition on Diesel Vehicle Fuel Economy. Does a K&N filter improve gas mileage Yes, they do. Evaluation of the Effectiveness Of TPMS in Proper Tire Pressure Maintenance. The rolling resistance sensitivity to tire pressure and the return factor (the ratio of the percentage improvement in fuel economy to a percentage reduction in rolling resistance) are taken from The Pneumatic Tire (NHTSA 2006). If youre here, you heard about us from your family or friend. Your wheels go further (30-60 more miles) each time you fill up at the gas station. Estimates for fuel economy improvement from properly inflating tires assume a vehicle with an average under-inflation rate of 10% across all tires (25% for worst-case tire inflation scenarios). Tornado Air improves your everyday driving experience with more power and mileage. Put another way spending 50 on a K&N air filter that improves your mpg 0.60 will pay for itself in about 5,000 miles if not sooner. Estimates for fuel savings from vehicle maintenance and using the recommended grade of motor oil based on Energy and Environmental Analysis, Inc., Owner Related Fuel Economy Improvements, Arlington, Virginia, 2001.apparently i should be getting 333miles to a tank (without the intake) but since i put the intake on im only getting around 280 (i dont. im only getting about 11miles/gallon city/high way driving.
A quick guide to the different kinds of hybrids and electric vehicles. I just put in a K&N cold air intake on my 08 tundra 5.7 and am losing mileage rather than gaining.