Impreza 2.5RSTI

Bottom End

HMS Stage-3 EJ257 Blueprinted Engine

05' OEM EJ257 Crankshaft

Wiseco Forged Pistons 8.9:1

Manley H-Beam Forged Rods

ACL Race Bearings

ARP 2000 Head Studs

Top End

HMS Blueprinted EJ257 Cylinder Heads

OEM Valves

BC High RPM Valve Springs and Titanium Retainers

Cosworth S2 Camshafts

Turbo Setup

Forced Performance RED Turbocharger

Tial 44mm External Wastegate

Wastegate Dump Tube routed through hood

Custom Front Mount Intercooler and Piping

Grimmspeed 3-port EBCS

Fuel System

Fuel Injector Clinic 1100cc Top Feed Injectors

Walbro 255lph Fuel Pump

Aeromotive Fuel Pressure Regulator

Billet Fuel Rails and Custom Fuel Lines


2004 STI Drivetrain Swap (6MT and R180)

Exedy Stage-1 HD Clutch Kit

HD Pitch Stop Mount

Oil System

Subaru OEM 11mm Oil Pump

Crawford Air Oil Seperator V2


2004 STI 32bit Stock ECU Tuned on Hybrid MAF/Speed Density by HMS

DEFI Boost Gauge

DEFI Oil Pressure Gauge

DEFI Fuel Pressure Gauge

  • Horizontal Motosports, LLC 2016
Powered by CMS Builder