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IAG Complete TGV Housing (Black) - Subaru WRX VA


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The IAG Performance 2015 - 19 WRX Complete TGV Housings replace the OEM tumbler generator valves as well as the separate lower plastic risers on your turbocharged Subaru FA20 DIT engine. IAG's WRX TGVs are designed to improve flow and performance by eliminating the diverter in the OE lower risers as well as port matched to the OEM cylinder heads. The TGVs are CNC machined from billet aluminum and do not require porting modifications, cores, or damage to your original OEM parts in case you ever need to return the vehicle to stock. The TGV Housings are simple to install requiring only basic hand tools and roughly 1-2 hours of time.

*ECU calibration is required. Possible engine damage may occur without calibrating the ECU after installation.

  • (x2) CNC Machined TGV Housings
  • (x14) Socket Head Bolts
  • (x14) Flat Washers