Equipped with AEM® Dryflow™ Filter No Oil Required! INSTALLATION INSTRUCTIONS 2011-2014 2008-2010 PART NUMBER: 21-678 MITSUBISHI MITSUBISHI Lancer Evolution Lancer Evolution L4-2.0L L4-2.0L C.A.R.B. E.O. # D-670-6 SOME INTAKE SYSTEMS ARE NOT LEGAL FOR SALE OR USE ON ANY POLLUTION CONTROLLED MOTOR VEHICLE IN CALIFORNIA OR STATES ADOPTING CALIFORNIA EMISSION PROCEDURES. See aemintakes.com for CARB status on each part for a specific vehicle AEM Induction Systems 1 (800) 992-3000 WWW: http://www.
Description A PARTS LIST Qty. Air Filter Assy. 3.00 X 5” Dry Ele. 1 Part Number 21-203DK B Inlet Pipe 1 2-6781 C Air box Lid, Evo X 1 20-6781 D Hose, Adapter Evo X 1 5-6781 E Air box, Evo X 1 9-6781 F Edge Trim, 14” 1 8-4014 G Hose; 1/4”ID X 16”L 1 5-6018 H Mount, Rubber 5/8” X 6mm 1 1228598 I Connector, Alum. 5/16”-5/32” 2 2-926 J Connector, Plastic 5/16” Straig. 2 8-148 K Hose; 5/16ID X 2.
Read and understand these instructions BEFORE attempting to install this product. Failure to follow installation instructions and not using the provided hardware may damage the intake tube, throttle body and engine. 1. Preparing Vehicle a. Make sure vehicle is parked on level surface. b. Set parking brake. c. If engine has run in the past two hours, let it cool down. d. Disconnect negative battery terminal. e. Do not discard stock components after removal of the factory system. 2.
e. Loosen the hose clamp securing the rubber inlet tube to the stock air box assembly. f. Remove the air bypass valve hose from the OE inlet by pulling it toward the passenger side of the vehicle. g. Remove the two plastic rivets securing the air inlet duct. h. Disconnect the OE inlet tube from the air box, then remove the air box from the engine bay by pulling straight up. i. Disconnect the air bypass valve hose from the air bypass valve. j.
k. Disconnect the vacuum line from the air bypass valve. l. Disconnect the PCV hose from the OEM inlet tube. m. Disconnect the two vacuum lines that connect to the wastegate solenoid, they connect to the inlet tube. n. Loosen the hose clamp securing the inlet tube to the turbo inlet. Remove the inlet tube. o. Remove the vacuum line from the vehicle that was connected to the air bypass valve. p. Remove the air bypass valve from the inlet hose by loosening the hose clamp on the inlet tube.
q. Remove the hose clamp from the inlet tube. r. Remove the MAF sensor from the air box housing using the supplied tamper proof torx tool. s. Unclip the two clips holding the air box housing together. t. Separate the air box housing, then remove the inlet duct from the air box by squeezing the top two tabs and pushing out. u. Remove the two grommets on the bottom of the air box housing. They will be reused in a later step during the AEM® intake system installation.
3. Installation of AEM® intake system. a. When installing the intake system, do not completely tighten the hose clamps or mounting hardware until instructed to do so. b. Install the supplied rubber mount onto the air box and secure it with a washer and lock nut. NOTE: The rubber mount section should sit on the outside of the air box. c. The inlet duct should snap into place in the oval opening of the air box. Also, install the edge trim around the inlet hole on the rear side of the air box. d.
h. Insert the two white connectors into the rubber inlet hose. NOTE: Using glass cleaner to lubricate the parts will help with installation. i. Install the air bypass valve into the rubber inlet hose and secure with the OE hose clamp. j. Insert the two aluminum connectors into each of the 5/16” hoses. Connect the 5/16” hose to the white connectors attached to the rubber inlet as shown. k. Install the MAF sensor to the intake pipe and secure with the supplied socket bolts. l.
n. Connect the two 5/32” hoses onto the two nipples of the wastegate actuator exposed in step 2m. Then connect the two aluminum connectors attached to the 5/16” hoses to the 5/32” hoses. o. Install the aluminum intake pipe into the rubber inlet hose. Align the intake pipe’s bracket to the rubber mount, then secure the intake pipe to the rubber inlet hose with hose clamp (9448). p. Reconnect the bypass hose to the bypass valve and secure it using the OE hose clamp. q.
Factory air box system installed AEM® intake system installed 4. Reassemble Vehicle a. Position the inlet pipes for the best fitment. Be sure that the pipes or any other components do not contact any part of the vehicle. Tighten any rubber mounts, all bolts, and hose clamps. b. Check for proper hood clearance. Re-adjust pipes if necessary and re-tighten them. c. Inspect the engine bay for any loose tools and check that all fasteners that were moved or removed are properly tightened. d.
AEM Air Intake System Warranty Policy AEM® warrants that its intake systems will last for the life of your vehicle. AEM will not honor this warranty due to mechanical damage (i.e. improper installation or fitment), damage from misuse, accidents or flying debris. AEM will not warrant its powder coating if the finish has been cleaned with a hydrocarbon-based solvent. The powder coating should only be cleaned with a mild soap and water solution.
