Cooling down a section of pipe would hardly bring the temperature of the air down. Thermal convection needs surface area and the pipe is smaller than 8.5x11 sheet of paper. Waste of your money in otherwords
SOLD: 1990 Pearl Yellow Glow NA Coupe 1990 Aztek Red NA Coupe (only 79K at the time of purchase 1996 Audi A4 Quattro 2.8