611 WHP Subaru WRX STI


Year / Make / Model: 2007 Subaru WRX STI
Chassis Code: GDB
Competition Class: Subie Challenge (s1) – GTA – Street
Weight Bias (F/R): 58/42
Shift RPM: 7,300 RPM
Redline RPM: 7,500 RPM
Peak Boost: 35 psi
Fuel: E85 / Flex Fuel
Engine Code: EJ25
Displacement (cc): 2,457.1cc
Bore & Stroke (mm): 99.5mm x 79mm
Peak Horsepower (@ RPM): 611whp @ 6,683 RPM
Peak Torque (@ RPM): 542 lb-ft @ 5,388 RPM
Dyno Type: Mustang
Engine Builder: Renner Racing Development
Block Modifications: Outfront V4 Closed Deck / ½-inch Studs
Compression Ratio: 8.5:1
Pistons: JE Ultra Series
Piston Rings: JE Pistons
Connecting Rods: Manley I Beam
Crank: OEM
Bearings, Main and Rod: King Race Bearings (Coated)
Camshafts: GSC Power Division S2
Valves / Springs / Retainers: Supertech Nitrate Intake, Supertech Inconel Exhaust, Supertech Springs and Retainers
Cylinder Head Modifications: Stage 3 P&P from SoCal Porting
Cylinder Head Gasket: OEM
Head/Main Studs: ARP
Intake Manifold: OEM/ Rotated
Air Induction System: Custom by Renner
Exhaust System / Downpipe: Perrin DP
Muffler: Magnaflow
Wastegate: Precision Turbo
Blow-Off Valve: TiAL Sport Q
Intercooler: Honeywell / Garrett
Fuel Injectors: ID 1,700cc
Fuel Pump(s): Walbro 450 pick up / Aeromotive Eliminator (External)
Engine Management System: Cobb Accessport
Engine Management Tuner: Cobb AP Pro Tuned by Paul at Yimi Sport
Boost Controller: Grimmspeed 3-Port
Spark Plugs: NGK Iridium One Step Cooler
Cooling System: Koyorad
Oil System: Setrab Oil Cooler / JDM 12mm Oil Pump
Turbocharger: Garrett GT 3076X Gen 2
Springs, F&R (Make & Rate): Hypercoil 500/550
Shocks: JRZ RS Pro
Sway Bars: Whiteline
Additional Suspension Components: JRZ Camber Plates, Beatrush Subframe, Whiteline ALK, Whiteline Adjustable Rear Lateral Links, Kartboy F&R Endlinks
Transmission: OEM
Transmission Gearing: OEM
Clutch: ACT 6-Puck
Flywheel: ACT Prolite
Differential(s) (Make & Type): Cusco 1-Way Front, Cusco 50/50 Center, Cusco 1.5-Way Rear
Axles / Driveshaft: Driveshaft Shop Carbon Fiber
Wheels (Make, Size & Offset): Weds TC 105 x 18×9.5 +10
Tires (Make & Size): Yokohama AO52 255/35/18
Brake Calipers (F&R): Brembo GTS 355 Front; Stock Brembo
Brake Rotors: Brembo 2-Piece Type 3 Front; Girodisc 2-Piece Rear
Brake Pads (Front & Rear): Winmax W6 F&R
Brake Lines: Brembo Steel Braided Front; Stoptech Steel Braided Rear
Roll Bar / Cage: Custom 6-Point by Mobile Weld Specialist
Seats: Sparco Ergo II (D) Sparco Circuit II (P)
Harnesses: Sparco 6-Point
Steering Wheel / Quick Release: Sparco R333
Gauges: Defi
Front Bumper: Stock with Custom Ducting by Renner Racing Development
Hood: OEM with KS Technologies Mesh Hood Scoop Delete and Singular 3-Piece Hood Vents
Paint: Crystal Gray Metallic
Etc.: ABW Motorsports 40mm Recessed 2-Piece Flares