modding a stock air box.
#2
I holesawed a 3-1/2" hole in the bottom of my airbox and installed a PVC reducing bushing and slipped in a 20" length of 3-1/2" ID flex-haust to bring in cooler air from under the truck. Can't be seen at all from the top and looks stock. I'm also still using the stock air box with a K&N drop in filter. Didn't cost me anything as these parts are readily available to me.
#5
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