2012-2018 Scion FRS 2.0L Air Intake Installation - #21-853C



Video - Cold Air Intake System Installation for 2012-2018 Scion FRS 2.0L, AEM #21-853C Watch how quick and easy it is to install the AEM 21-853C cold air intake system System for the 2012-2018 Scion FRS with a 2.0L engine. This intake system includes an aerodynamic mandrel-bent aluminum intake tube, large open element AEM DRYFLOW® synthethic air filter, and a custom heat shield to help protect intake air from engine heat. Increasing airflow will help improve acceleration, horsepower, and engine sound. Add an estimated 7.8 horsepower at 6494 RPM and 4.6 lb-ft of additional torque at 2818 RPM to your 2012-2018 Scion FRS 2.0L with the AEM air intake 21-853C.


0:15
1. Turn off the ignition and disconnect the negative battery cable

0:21
2. Disconnect the mass air sensor electrical connection and unhook the wiring harness from the air box

0:30
3. Release the spring clamp and then disconnect the crank case vent hose from the fitting

0:38
4. Loosen the hose clamp securing the intake hose to the throttle body

0:45
5. Loosen the hose clamp and disconnect the engine sound tube from the engine sound drum

0:55
6. Remove the two bolts shown securing the resonator and air box to the core support

1:16
7. Remove the remaining air box mounting bolt

1:26
then lift up the air box assembly and remove it from the vehicle

1:35
8. Install the provided heat shield mounting bracket (070026) onto the lower air box mount using the factory bolt

2:04
9. Install the provided coupling hose (08186) onto the throttle body and secure with the provided hose clamp

2:18
10. Install the provided heat shield insulation strips onto the bottom of the heat shield as shown

2:45
Some trimming of the insulation strips excess will be necessary

2:50
11. Install the provided “L” bracket (083170) onto the heat shield using the provided hardware

2:57
Install the provided “L” bracket (070066) onto the heat shield using the provided hardware.

3:31
12. Install the provided “L” bracket (070015) onto the heat shield using the provided spacer

4:02
13. Cut the provided edge trim into two sections, one section is to be 27” long and the other section is to be 18” long

4:07
14. Install the 18” long section of edge trim into the hole of the heat shield as shown

4:22
and then install the 27” long section of edge trim onto the top of the heat shield as shown

4:42
15. Remove the core support bolt shown

4:51
16. Set the heat shield into position on the core support

5:14
and secure with the factory air box mounting bolts and to the previously installed bracket with the hardware provided

5:23
17. Remove the mass air sensor from the factory air filter housing

5:35
and then install it into the AEM® intake tube using the provided hardware

6:00
Install the provided 90º vent fitting into the AEM® intake tube as shown

6:15
18. Install the tube through the heat shield and then install the provided rubber mounted stud onto the tube as shown

6:39
Rotate the tube down and install it into the coupling hose on the throttle body and install the mounting stud into the bracket

6:57
Secure the tube with the provided hose clamps and hardware and tighten the mounting bracket at this time

7:11
20. Reconnect the mass air sensor electrical connection

7:16
Connect the crank case vent to the fitting installed into the AEM® intake tube as shown

7:24
21. Install the provided caplug onto the sound drum

7:28
21. Install the provided caplug onto the sound drum

7:38
Perform a final inspection before driving the vehicle
More Information on Part 21-853C


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