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

 

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 

 

 

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.  

 

 

 

 

 

 

 

Summary of Contents for IAG-AFD-3004

Page 1: ...or 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 cov...

Page 2: ...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 ...

Page 3: ... 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 ...

Page 4: ...ve 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 ...

Page 5: ...erformance 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 ...

Page 6: ... 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 ...

Page 7: ...t 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 t...

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