Tomioka Racing GTX2971 Twin Scroll Turbo - 2002-2007 Subaru WRX / 2004-2021 STI Spring:1.1 bar allowing precise tuning for different

allowing precise tuning for different circuit layouts

CSF-exclusive B-tube technology

Extensively tested

The Stage 3 Endurance has been designed to have a much higher torque rating than the factory clutch

this exhaust system is both lightweight and durable

Tomioka Racing GTX2971 Twin Scroll Turbo - 2002-2007 Subaru WRX / 2004-2021 STI Spring:1.1 bar allowing precise tuning for differentTomioka Racing GTX2971 Twin Scroll Ball Bearing Turbocharger 1. 1 Bar 2002 2007 Subaru WRX 2004 2021 STI The Tomioka Racing GTX2971 Twin Scroll is the ultimate twin scroll bolt on upgrade for GD WRX and STI ball bearing cartridge, billet compressor with point milled blades, twin scroll architecture, 20% larger wheel with 17% longer blades versus the factory turbocharger, ported exhaust housing, and 550 HP capability. Requires twin scroll headers and