Disconnect MAF harness and remove the intake tube with top side of air box. Next remove the 3 12mm nuts that hold the bottom of the air box to the chassis. If the air silencer is installed please remove it at this time. See How-To section for complete air resonator removal instructions. http://www.mn12performance.com/mn12how-to/airbox/airbox.htm

Next, Install throttle body hose/clamps to throttle body and insert the tube. Then replace the 90 degree vacuum T from the 3/8" hose with the straight fitting. Insert 3/8" fitting into rubber grommet on new intake tube. Then install 80mm MAF to intake tube and tighten clamps. Install MAF wiring harness adapter between factory harness and new 80MM MAF.