Subaru Impreza WRX/STI EJ20/25 T3 IWG EFR Single Scroll Up-Pipe
T3 EFR Turbo Options: EFR 7064, EFR 7670, EFR 8374, EFR 9174, EFR 9180 with 0.83 A/R Undivided IWG
Key Design Features:
- Engineered using advanced CFD software and analysis
- Precision Fabricated from thick wall stainless steel
- Robotically TIG welded construction
- CNC Ported head flange
- Sealing surfaces machined flat ensuring a leak free seal
Install Photos: