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AVO Turbo V2 TGV Delete Kit

Subaru WRX 01-14/STI 01-21/FXT 03-13/LGT 04-09 (EJ20/EJ25)
$660.00
Colour: Black
IMPORTANT : SPECIAL NOTES APPLY TO VEHICLE FITMENT FOR THIS PRODUCT, CLICK HERE TO VIEW

Description

Free Your Subaru’s Airflow – Built for Racing Performance

Most modern Subaru engines are fitted with a TGV (Tumble Generator Valve) assembly, designed primarily for emissions—not performance. Even when open, these valves restrict airflow, creating a major bottleneck for modified engines. That’s why Subaru’s high-performance JDM models never used them.

When you upgrade with larger turbochargers, high-flow intercoolers, or performance exhaust systems, the factory TGVs quickly become a limiting factor. They also make fitting larger turbos more difficult. Replacing them is essential for maximizing airflow and achieving consistent, reliable power under race conditions. ECU tuning is required.

AVO Turboworld Prepared TGV Assemblies are engineered for serious builders who demand maximum flow and reliability. Each assembly is designed as a direct-fit, race-bred replacement with enhanced durability and professional finish.

New Version 2 Design - More Compatibility

AVO's V2 design adds a reversible insert for the centre bolt holes which are slightly different between metal and plastic manifolds. This insert suits both bolt patterns meaning both manifolds are compatible.

Essential for High-Horsepower Racing Builds

When pushing your Subaru beyond stock performance, replacing restrictive factory TGVs is critical. AVO’s cast housings eliminate airflow disruption, simplify turbo installation, and unlock your engine’s full potential.

AVO Turboworld Prepared TGV Assemblies – built to race, built to win.

⚠️ For racing use only or as a replacement part for JDM vehicles.

Features and Benefits

  • No internal valves – fully open for unrestricted airflow
  • Compatible with both plastic and aluminium intake manifolds
  • Durable powdercoated finish in STI red or black wrinkle

Fitment Table

Fitment Notes

General Notes:

  • Suitable for Top-Feed injectors only. Can be installed onto vehicles with factory side-feed injectors but new top-feed fuel rails and injectors will need to be installed as well (and an ECU tune required).