Originally Posted by
fifteenwindow
I took a trip with the warm air intake and insulation on, then one with them off the engine to get some mpg numbers, then I put it back on and took another trip. Here's what I got:
Trip A - Insulated WAI, insulated snout & airbox, ambient temps 10-20s F, IATs ~145-160 F, 209 miles, 4.394 gallons of fuel - 47.6 mpg
Trip B - stock intake, ambient temps in 10-20s F, IATs 40-60 F, 216 miles, 4.745 gallons of fuel - 45.5 mpg
Trip C - Insulated WAI, insulated snout & airbox, ambient temps 9-12 F, IATs ~118 F, 155 miles, 3.216 gallons of fuel - 48.2 mpg