SPEC SHEET
| VEHICLE | |
|---|---|
| Year / Make / Model: | 2011 Subaru Impreza STI |
| Chassis Code: | GVB |
| Vehicle Weight: | 3,450 lbs. |
| Weight Bias (F/R): | 58/42 |
| Launch RPM: | 6,000 RPM |
| Shift RPM: | 8,000 RPM |
| Redline RPM: | 8,200 RPM |
| Peak Boost: | 27 psi |
| Fuel: | 100-octane Unleaded |
| ENGINE | |
|---|---|
| Engine Code: | EJ257 |
| Displacement (cc): | 2,520cc |
| Bore & Stroke (mm): | 99.5mm x 81mm |
| Peak Horsepower (@ RPM): | 559 whp @ 7,000 RPM |
| Peak Torque (@ RPM): | 496 lb-ft @ 5,100 RPM |
| Dyno Type: | Dynojet 424x |
| Engine Builder: | Cosworth |
| Pistons/Compression Ratio: | Cosworth 8.2:1-compression Forged Aluminum |
| Connecting Rods / Crank: | Cosworth H-Beam Rods |
| Cosworth Billet-steel 81mm Stroker Crankshaft | |
| Camshafts: | Cosworth S2 Camshafts |
| Valves / Springs / Retainers: | Cosworth Valves, Springs and Retainers |
| Cylinder Head Modifications: | Cosworth CNC-ported Heads |
| Cylinder Head Gasket: | Cosworth MLS Head Gaskets |
| Head / Main Studs: | Cosworth H11 Tool Steel Studs |
| Intake Manifold / Throttle Body: | Cosworth Intake Manifold |
| Air Induction System: | Yimi Sport 73mm Cold-air Intake |
| Fuel Injectors: | Deatschwerks 1,000 cc/min (x4) |
| Fuel Delivery System: | MSI fuel rails |
| Deatschwerks 300-LPH In-tank Pump | |
| Engine Management System: | Cobb AccessPort |
| Engine Management Tuner: | Paul Leung @ Yimi Sport Tuning |
| Boost Controller: | Yimi Sport 4-port Boost Control Solenoid |
| Spark Plugs: | NGK LFR7AIX |
| Exhaust Manifold: | Full-Race Stainless-steel Twin-scroll Manifold |
| Exhaust System / Downpipe: | Invidia Q300 / Custom Yimi Sport catted with |
| Recirculated wastegate discharge tubes | |
| Wastegate: | TiAL Sport MV-S (x2) |
| Blow-Off Valve: | TiAL Sport QR |
| Intercooler: | Custom Yimi Sport with a Precision 850 core |
| Cooling System: | Koyo Hyper V-core Radiator |
| Yimi Sport Expansion and Overflow Tanks | |
| Oil System: | Killer B Motorsports oil pan and pickup |
| Yimi Sport side-mount 19-row oil cooler | |
| Yimi Sport Air-Oil Separator |
| TURBOCHARGER | |
|---|---|
| Turbocharger: | Forced Performance HTA3582 |
| Frame: | Garrett GT35R |
| Compressor Wheel Specs: | Billet Aluminum, 82mm Exducer |
| Turbine Wheel Specs: | 68mm Major |
| Turbine Housing: | T4, 1.00A/R |
| CHASSIS/DRIVELINE | |
|---|---|
| Springs, F&R (Make & Rate): | KW Clubsport |
| Shocks, F&R (Make & Rate): | KW Clubsport Adjustable Dampers |
| Additional Suspension Components: | Whiteline 22mm sway bars, End-links, |
| Toe Control links, Sub-frame & Differential | |
| Bushings (R), Lower H-brace & Roll-center | |
| Adjustment Kit, DMS Camber Plates (F) | |
| Cusco Motor & Transmission Mounts, Rear Lateral | |
| Links, Center Power Brace, Rear Member Side | |
| and Lower Brace, SPT Strut-tower Brace | |
| Transmission Gearing: | |
| Clutch / Flywheel: | OS Giken twin-plate STR |
| Differential(s) (Make & Type): | OS Giken Super Lock LSD, 1.5-way(F), 2-way (R) |
| Wheels (Make, Size & Offset): | Volk CE28N Formula Limited 18×9.5-inch, +28 |
| Tires (Make & Size): | Yokohama Advan Neova AD08 265/35R18 |
| Brake Calipers (F&R): | Project Mu (F&R) |
| Brake Rotors (Diameter, F&R): | 355mm (F), 345mm (R) |
| Brake Pads (Front & Rear): | Project Mu B-Force |
| Brake Lines: | Project Mu |
| INTERIOR | |
|---|---|
| Seats: | Cobra Misano S |
| Gauges: | Defi-Link Advance BF Metric Boost/Oil |
| Pressure/Water Temp | |
| Etc.: | Kenwood DNX9980HD In-dash DVD/Sat/Nav |
| Boston Mobile Audio GT-5750 amplifier | |
| Boston Mobile Audio G1 10” subwoofers |
| EXTERIOR | |
|---|---|
| Front Lip Spoiler: | STI V-Limited lip spoiler |