Finally some common sense about a/f! Of course Toyota engineers designed the airbox/filter to flow what the engine requires for air, all the while keeping the important parts clean. Why would toyota put a air filter that hurts gas mileage on their trucks?
yotas rule and they suck? what? unfortunately they do tune intakes for harmonics (i know it's a big word-look it up), but they would not sacrifice fuel mileage in the modern world of CAFE standards. The entire air/fuel system is highly calibrated to work within a wide range of parameters so you can get alittle more hp from the engines with airflow adjustments, but you would be hard pressed to get better fuel economy than the factory gives you. If it was easy to give the engine more hp and better economy wouldn't they do it at the factory? they know how hp mad us american drivers are.
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