AEM's Performance Cold Air Intake Systems are designed, tuned and dyno-tested to give your engine more power and acceleration by replacing the restrictive factory air filter, air intake tubing and air box assembly.
The AEM 21-678C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Mitsubishi Lancer Evolution, MR and GSR models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a replacement air box which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor, air bypass valve and engine vacuum lines as well as a replacement rubber inlet hose. The wide cone shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions).
  • Increased horsepower
  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum tubing
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • Washable and reusable oil-free filter media

Application Summary:

Year Make/Model
2008 Mitsubishi Lancer
2010-2015 Mitsubishi Lancer
Attributes
Air Box Included No
Air Filter Color Red
Air Filter Element Washable Yes
Air Filter Height 5.125 in (130 mm)
Air Filter Large End Diameter 6 in (152 mm)
Air Filter Material Non-woven Synthetic
Air Filter Oulet Length 3.000 in. (76mm)
Air Filter Oulet Width 3.000 in. (76mm)
Air Filter Outlet Length 3 in (76 mm)
Air Filter Outlet Shape Round
Air Filter Outlet Width 3 in (76 mm)
Air Filter Washable Yes
Alternate Part Number AEM-21-678C
ASIN B001DX9GPI
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
CARB EO Number D-670-26
Clamp Color Natural
Clamp Color/Finish Natural
Clamp Material Steel
Clamp Quantity 5
Clamp Style Regular
Clamps Included 5
Country of Origin (Primary) US
Coupler Color Not Applicable
Coupler Color/Finish Not Applicable
Couplers Included None
Emission Code Legal US
Estimated Horse Power Gain 17.0 HP @ 4100 RPM
Estimated Horsepower Gain 17 HP @ 4100 RPM
Filter Color Red
Filter Material Non-woven Synthetic
Harmonized Tariff Code (Schedule B) 8421310000
Hazardous Material Code N
Horse Power Increase 17 HP
Intake Pipe Color Gunmetal Gray
Intake Pipe Color / Finish Gunmetal Gray
Intake Pipe Inlet Length 7.5 in (191 mm)
Intake Pipe Inlet Shape Round
Intake Pipe Inlet Width 3 in (76 mm)
Intake Pipe Material Aluminum
Intake Pipe Outlet Length 7.5 in (191 mm)
Intake Pipe Outlet Shape Round
Intake Pipe Outlet Width 3 in (76 mm)
Intake Pipe Ports All intake tube ports needed for the specified applications are included
Item Weight 9.000 lbs. (4.1 kg)
Life Cycle Status Code Available to Order
Mass Air Flow Sensor Adapter Included Yes
Mass Air Flow Sensor Included Mass Air Flow Sensor Adapter Included When Required
Mounting Hardware Included Yes
NAFTA Preference Criterion Code B
Oil Included No, No Filter Oil Required
Package Material Paperboard
Package Type Box
Product Box Height 12.250 in. (311mm)
Product Box Length 20.250 in. (514mm)
Product Box Width 12.250 in. (311mm)
Product Style AEM Cold Air Intake System
Replacement Filter 21-203DK
RPM 4100
SDR Required Flag N
Standard Pack 1
Street Legal In All US States Legal for use in all 50 states.
System Type Cold Air Induction
TUV Approved (Europe) No
Warranty Limited Lifetime
Weight 9 lb (4.1 kg)
GTIN 00840879018917

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