IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 1

IAG Performance TGV Housings for 2015+ WRX

Part# IAG-AFD-3004 Tools Required: Ratchet, extension, flat head screw driver, pop clip pliers Sockets: 12mm socket Wrenches: 10mm wrench Thank you for choosing IAG Performance. The IAG TGV housings eliminate the OEM tumble generator valves. *ECU calibration is required. Possible engine damage may occur without immediately calibrating the ECU after installation.

Parts List Part Name Quantity Notes TGV Housings 2

1. Using a 10mm wrench undue the negative terminal from the battery. Using pop clip pliers, remove the two pop clips that hold the engine cover on. Then carefully from the front pull upwards and remove the plastic engine cover.

IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 2

2. Using a flat head screw driver or 8mm socket and ratchet loosen the hose clamp that holds the boost pipe to the top mount intercooler.

IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 3

3. Using a 12mm socket, remove the intercooler mounting bolts on either side of the intercooler.

4. Loosen the hose clamp on the intercooler outlet. Then remove the intercooler from the vehicle being careful not to damage the fins or ac lines.

IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 4

5. Using a 12mm socket, remove the (2) 12mm bolts holding the EGR tube to the back of the intake manifold.

6. Unplug the (2) gray OEM TGV harness connectors on each side of the intake manifold.

7. Using a 12mm socket, ratchet and extension remove the (8) 12mm bolts that secure TGV’s to the intake manifold.

*Passenger side bolt locations shown. Similar on driver side.

IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 5

8. The intake manifold at this point is slightly loose. Pull up slightly on the intake manifold and carefully pull the passenger side TGV out towards the fire wall of the vehicle. *Make sure the OEM intake manifold O-rings do not fall out. Remove the TGV from the vehicle.

IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 6

9. Unclip the driver side battery / starter wire harness from its bracket on the strut tower. Next carefully remove the TGV by pulling it out towards the firewall. *Make sure the OEM intake manifold O-rings do not fall out.

IAG Performance | 1203 Baltimore Blvd. Westminster, MD 21157 | Ph: 410-840-3555 | www.iagperformance.com 7

10. Slide the new passenger side TGV housing in place. Make sure the orientation is correct and place the (4) 12mm bolts in place. Thread them in by hand lightly and repeat for the driver side. Then torque all (8) 12mm bolts using a ratchet and 12mm socket to 25Nm/18.4 ft-lbs.

11. Reinstall the EGR flange line back on to the intake manifold using the (2) OEM 12mm bolts. Torque the bolts to 19Nm/14 ft-lbs.

12. Reinstall the battery / starter wire back on to the driver side strut tower bracket.

13. Reinstall the Intercooler, OEM engine cover and negative battery terminal

14. Flash the new ECU MAP into the vehicle. Start the vehicle, check for leaks.