Shop for Subaru WRX & STI 2008-up Performance Parts

Production:
2008-2012
Chassis:
GE/GH
Engines:
EJ255
EJ257
Transmissions:
5-speed manual
6-speed manual
Turbo:
Single-Scroll Turbo
Predecessor:
WRX STI (02-07)
The third generation of Subaru WRX STI five-door hatchback began selling in model year 2008 with Subaru WRX 2008 Performance Parts being available before the car came to dealerships. Subaru's Tecnica International division developed it with an eye to increasing the Subaru WRX 2008 Performance. Parts of the suspension were forged with aluminum, and it received a bigger intercooler than the standard WRX. The current-generation STI sports a double-wishbone rear suspension, with a MacPherson strut setup in front. The powerplant is a 2.5-L, 305-hp turbocharged engine. EJ25 engines offer a lot of room for more horsepower with proper Subaru STI 2008 Performance Parts. The STI comes only with a six-speed manual gearbox, but the total driving experience is managed by acronym-heavy technology: VDC (Vehicle Dynamics Control, with "Normal", "Traction", and "Off" modes), SI-Drive (Subaru Intelligent-Drive, with Intelligent, Sport, and Sport Sharp (S#) modes), and DCCD (Driver's Controlled Center Differential, which lets you select manual, auto, auto+, and auto- mode to distribute the torque). Model year 2010 saw the launch of the Impreza WRX STI Special Edition. It offered improved handling from a stiffer suspension and a thicker stabilizer bar. Otherwise, only minor changes have been made to the STI since 2008.

To keep your STI operating in top form, check out our comprehensive online catalog of quality Subaru STI 2008 Performance Parts and accessories. We can help with projects as simple as replacing a handbrake knob and as complex as lowering the chassis or any other New Model Subaru WRX STI Parts.

We also sell Subaru WRX & STI Model Accessories, Engines, Electronics and More.

You are looking up parts for Subaru WRX/STI (08-up). Please select a type of part below.
A C C E S S O R I E S 
Engine Covers (1)
Agency Power Alternator Cover
Agency Power Alternator Cover
Lightweight Aluminum
Gauge Pods (3) view all »
SMY ClusterMaker Dual Gauge Pod
SMY ClusterMaker Dual Gauge Pod
52mm; OEM Texture Match & Color; ABS Plastic; OEM Mounting Points
Oil Filler Caps (2) view all »
Kartboy Oil Cap
Kartboy Oil Cap
Aluminum; Black Anodized; Includes Factory O-ring
Seat Brackets (2) view all »
Planted Seat Bracket Passenger
Planted Seat Bracket Passenger
Passenger Side; 3/16'' Thick Steel; Accepts Sliders from Popular Seat Manufacturers; Black Powdercoated; Made in USA
Shift Knobs (7) view all »
Kartboy Knuckle Ball Shift Knob 6-Speed Black
Kartboy Knuckle Ball Shift Knob 6-Speed Black
Aluminum; Black w/ Black/Chrome & Yellow/Black Logos
Steering Wheels (1)
GTSPEC D-Shaped Steering Wheel
GTSPEC D-Shaped Steering Wheel
Black Leather w/ Red, Blue or Black Stitching; Uses Factory Controls and Air Bag
A E R O D Y N A M I C S 
Aerodynamic Accessories (4) view all »
Perrin 3in Billet Shorty Antenna
Perrin 3in Billet Shorty Antenna
Black Anodized
Front Bumper Canards (1)
APR Performance Brake Cooling Ducts
APR Performance Brake Cooling Ducts
Carbon Fiber; Factory-Like Fitment; Set of 2
Front Lips/Air Dams (2) view all »
APR Performance Front Lip
APR Performance Front Lip
Carbon Fiber
Front Wind Splitters (2) view all »
APR Performance Front Wind Splitter
APR Performance Front Wind Splitter
Includes Supporting Rods
Rear Wings/Spoilers (2) view all »
APR Performance GTC-200 Adjustable Wing
APR Performance GTC-200 Adjustable Wing
Carbon Fiber; Mounting Bases Cover Factory Spoiler/Wing Holes
B R A K E S 
Brake Lines (7) view all »
Goodridge G-Stop Brake Line Kit
Goodridge G-Stop Brake Line Kit
Front & Rear; 4pcs; PTFE Inner & Stainless Steel Overbraid; DOT-Approved
Brake Pads (17) view all »
Hawk HP Plus Front Brake Pads
Hawk HP Plus Front Brake Pads
Ferro-Carbon; Autocross/Track Only
Brake Rotors (25) view all »
StopTech Cryo-Stop Front Brake Rotors
StopTech Cryo-Stop Front Brake Rotors
Pair; Cryogenically Treated
Brakes Accessories (1)
GrimmSpeed Mater Cylinder Brace
GrimmSpeed Mater Cylinder Brace
Black Powdercoated; 12L14 CNC Laser Cut; 6061 Aluminum Red Anodized Cup; No Modification of Stock Components
C O O L I N G 
Air Diversion Panels (1)
GTSPEC Radiator Panel
GTSPEC Radiator Panel
Black; Aluminum
Cooling Hoses (2) view all »
Mishimoto Radiator Hose Kit
Mishimoto Radiator Hose Kit
Silicone
Fan Shrouds (1)
Mishimoto Fan Shroud Kit
Mishimoto Fan Shroud Kit
Aluminum; Pre-Assembled w/ 2 x Fans Mounted
Intercooler Kits (9) view all »
AVO Top Mount Intercooler
AVO Top Mount Intercooler
Aluminum Bar & Plate; Cast Endtanks; 400hp Core; Core Dimensions: 10.4'' x 10.5'' x 3.5''; High-Response, High-Flow Design
Racing Thermostats (2) view all »
GrimmSpeed 160 Degree Thermostat
GrimmSpeed 160 Degree Thermostat
Runs 20-30 Degrees Cooler than Stock
Radiators (4) view all »
Mishimoto Performance Radiator
Mishimoto Performance Radiator
Aluminum
Water Pumps (1)
Gates Water Pump
Gates Water Pump
Cast Aluminum Housing; Standard Impeller Rotation
D R I V E L I N E 
Differential Covers (1)
Perrin Rear Differential Cover
Perrin Rear Differential Cover
Black Only; R180 High Capacity
Differential Mounts and Bushings (3) view all »
Whiteline Front Differential Mount Inserts
Whiteline Front Differential Mount Inserts
Low Compliance Polyurethane; Replaces OE Bushings
E L E C T R O N I C S 
Boost Controls (3) view all »
Perrin EBCS Pro Boost Control Solenoid
Perrin EBCS Pro Boost Control Solenoid
Aluminum & Stainless Steel Construction; Direct PnP Harness; Compatible with OEM ECU & Stand Alone ECUs; No CEL
ECU Harnesses (3) view all »
Greddy Supplement Harness Kit for e-Manage Ultimate Upgrade
Greddy Supplement Harness Kit for e-Manage Ultimate Upgrade
14 pin connectors; Used for Upgrading from e-Manage
Engine Management Systems (1)
Greddy e-Manage Ultimate Engine Management
Greddy e-Manage Ultimate Engine Management
Advance Piggy-Back Engine Management and Datalogger w/ Ultimate PC Support Tool CD; Requires Harness Kit 15901500
Secondary Harnesses and Sensor Adapters (13) view all »
Greddy Pressure Sensor Harness
Greddy Pressure Sensor Harness
For Use w/ 16401301 Pressure Sensor
Tuning/ECU (1)
Cobb Tuning AccessPORT V2.0
Cobb Tuning AccessPORT V2.0
Reprogramming Device for Vehicle's Computer
Turbo Timers (1)
HKS Turbo Timer Harness FT-6
HKS Turbo Timer Harness FT-6
FT-6
E X H A U S T 
Catback Exhaust Systems (30) view all »
Tanabe Medalion Touring Exhaust System
Tanabe Medalion Touring Exhaust System
Pipe Diameter - 70-60mm; Tip Diameter - 90mm
Exhaust and Tail Pipes (19) view all »
Invidia Downpipe
Invidia Downpipe
Divorced Wastegate w/out High-Flow Cat; Piping Diameter - 76mm
Exhaust Gaskets and Hangers (13) view all »
Perrin Polyurethane Exhaust Hanger
Perrin Polyurethane Exhaust Hanger
75A Polyurethane; Red; Sold Individually
Exhaust Manifolds (8) view all »
Perrin Turbo Manifold Equal Length
Perrin Turbo Manifold Equal Length
321 Stainless Tubing; Equal Length Runners for Each Cylinder
Heat Shields (4) view all »
GrimmSpeed Turbo Heat Shield
GrimmSpeed Turbo Heat Shield
304 Stainless Steel w/ Stainless Steel Rivets; M6 Clear Zinc Steel Bolts; Fits All Factory and Most Aftermarket Turbos
Turboback Exhaust Systems (1)
Turbo XS Turboback Exhaust System
Turbo XS Turboback Exhaust System
30whp/29ft.lbs Gain; Piping Diameter - 3in
F U E L 
Fuel Pumps (1)
DeatschWerks  DW65c Fuel Pump + Kit
DeatschWerks DW65c Fuel Pump + Kit
265lph; 65mm Compact Body; In-Tank; Ethanol Compatible
Fuel Injectors (2) view all »
DeatschWerks  Injectors
DeatschWerks Injectors
Top Feed; 100% PnP; Multiple Sizes; $100 Rebate for OEM Injectors
Fuel Rails (1)
Perrin Top Feed Fuel Rail Kit
Perrin Top Feed Fuel Rail Kit
Black; Requires Use of Oetiker Clamp Tool (Not Included)
I G N I T I O N 
Spark Plugs (1)
NGK Iridium IX Spark Plugs
NGK Iridium IX Spark Plugs
.044 Gap; 14mm, 26.5mm Reach, 5/8in Hex; Resistor; L 6
Sold Individually
I N T A K E 
Air Filters (3) view all »
AVO Panel Air Filter
AVO Panel Air Filter
Cotton Fiber; Dry Film Design
Cold Air Intake Kits (7) view all »
AEM Cold Air Intake
AEM Cold Air Intake
Wrinkle Red; 36hp/35lbs.ft Gain on STI; 13hp/14lbs.ft Gain on WRX; CARB Approved (08 Models Only)
Intake Kits (6) view all »
AVO Air Intake Kit
AVO Air Intake Kit
Stainless Steel Piping
Intake Manifold Gaskets (3) view all »
GrimmSpeed Phenolic Thermal Intake Manifold Spacer - 8mm
GrimmSpeed Phenolic Thermal Intake Manifold Spacer - 8mm
8mm; Direct Bolt-on; Reduces Heat Transfer
Intake Parts and Filter Cleaning Kits (2) view all »
AVO Throttle Body Hose
AVO Throttle Body Hose
Silicone w/ Kevlar Reinforcing
Short Ram Intake Kits (1)
Agency Power Short Ram Intake
Agency Power Short Ram Intake
20whp/10lbs-ft Gain on WRX Sedan
R E I N F O R C E M E N T 
Bushings and Mounts (17) view all »
AVO Front Lower Control Arm Bushing Inserts
AVO Front Lower Control Arm Bushing Inserts
57mm; Polyurethane
Control Arms (5) view all »
Cusco Adjustable Rear Lateral Arms
Cusco Adjustable Rear Lateral Arms
w/ Pillowball Ends
Strut Bars (6) view all »
Perrin Front Strut Brace
Perrin Front Strut Brace
Cast Aluminum
Sway Bar Links (11) view all »
AVO 55mm Front End Links
AVO 55mm Front End Links
Adjustable; 55mm
Sway Bars (27) view all »
Eibach Front Sway Bar Kit 25mm
Eibach Front Sway Bar Kit 25mm
25mm; Tubular; 2-Way Adjustable
Under Braces (10) view all »
Cusco Lower Subframe Brace
Cusco Lower Subframe Brace
Type II; Blue; Tubular Aluminum
L O W E R I N G 
Alignment Kits (5) view all »
Whiteline Toe Lock Kit
Whiteline Toe Lock Kit
Removes & Locks OE Toe Adjustment
Coilover Kits (2) view all »
Tein Flex Coilovers
Tein Flex Coilovers
Spring Rates F/R - 9.0/7.0; Height Adj. F/R* - -0.1~-2.6in / 0.3~-2.7in; EDFC Compatible
Lowering Springs (11) view all »
Eibach Pro-Kit Lowering Springs
Eibach Pro-Kit Lowering Springs
Height Adj. F/R - 0.8/0.8in
T R A N S M I S S I O N 
Clutch Flywheels (5) view all »
Exedy Lightweight Flywheel
Exedy Lightweight Flywheel
13.3lbs.
Clutch Kits (26) view all »
Competition Stage 2 2100 Clutch Kit
Competition Stage 2 2100 Clutch Kit
w/ Carbon Kevlar Sprung Disc; 80% Torque Capacity Increase
Clutch Lines (3) view all »
Agency Power Clutch Line
Agency Power Clutch Line
Steel Braided
Shifters (11) view all »
Cobb Tuning Double Adjustable Shifter
Cobb Tuning Double Adjustable Shifter
CNC Machined 6061 Aluminum; Blue Anodized Body
Transmission Mounts and Bushings (8) view all »
Perrin Transmission Mount
Perrin Transmission Mount
Powdercoated Formed Steel Plate w/ 6061-T6 Aluminum Mounts; 70A Polyurethane
T U R B O 
Blow Off Valves (18) view all »
Torque Solutions Greddy BOV Adapter
Torque Solutions Greddy BOV Adapter
6061-T6 Aluminum; CNC Machined; Direct Fitment
Diverter Valves (3) view all »
Synapse Synchronic Diverter Valve Kit
Synapse Synchronic Diverter Valve Kit
Black; No Diaphragm; Aluminum Body w/ Forged Billet 6061 Actuator Assembly; w/ Top-Mount Intercooler Setup
Turbo Pipes and Hoses (7) view all »
Perrin Turbo Inlet Hose Blue
Perrin Turbo Inlet Hose Blue
Blue; 5-Ply Silicone; Steel Wire Reinforced
Turbochargers (2) view all »
AMR CRX500 Bolt-on Turbo
AMR CRX500 Bolt-on Turbo
330whp-380whp (93 octane) / 380whp-450whp (Race Gas); Fits Factory or Aftermarket Downpipes
Wastegate Actuators (1)
Turbosmart Internal Wastegate Actuator (IWG)
Turbosmart Internal Wastegate Actuator (IWG)
Billet Aluminum; Silicone Diaphragm; 7psi/.5bar; VF48, VF52 Turbo
Wastegates (1)
GrimmSpeed Internal Wastegate Bracket - VF Series
GrimmSpeed Internal Wastegate Bracket - VF Series
Keeps Internal Wastegate from Opening
E N G I N E 
Camshafts (2) view all »
Kelford Stage 1 Cams
Kelford Stage 1 Cams
264/260 Duration; 10.70/10.20mm Lift; Street Performance
Drive Belts (1)
Gates Racing Micro-V Serpentine Belt
Gates Racing Micro-V Serpentine Belt
High Performance; 300% Stronger Than Stock; Blue
Engine Bearings and Thrust Washers (2) view all »
Cosworth Rod Bearing Set
Cosworth Rod Bearing Set
High Strength Overlay Plate; Hardened Steel Backing; Multi Layer Steel High performance
Engine Covers (1)
Agency Power Alternator Cover
Agency Power Alternator Cover
Lightweight Aluminum
Engine Miscellaneous (5) view all »
Perrin Catch Can
Perrin Catch Can
Universal; Oil/Coolant Overflow
Engine Mounts and Bushings (6) view all »
Torque Solutions Engine Mounts (Engine, Transmission, Pitch)
Torque Solutions Engine Mounts (Engine, Transmission, Pitch)
Billet Aluminum; 75A Polyurethane Bushings; Black Anodized; Includes Transmission & Pitch Mount
Head Studs (1)
Cosworth Head Studs 11mm
Cosworth Head Studs 11mm
H11 Tool Steel; Heat Treated
Oil Filler Caps (2) view all »
Kartboy Oil Cap
Kartboy Oil Cap
Aluminum; Black Anodized; Includes Factory O-ring
Oil Pans (7) view all »
Moroso Oil Pan 6 Quarts Aluminum
Moroso Oil Pan 6 Quarts Aluminum
Wet Sump; 6 Quart Capacity; Competition Baffled; Aluminum with Billet Rail; Subaru EJ20 & EJ25
Pistons and Connecting Rods (2) view all »
Eagle ESP H-Beam Connecting Rod Set
Eagle ESP H-Beam Connecting Rod Set
Standard Forged 4340 Steel; H-Beam; 3/8'' ARP 2000 Fasteners; 5.137in Rod Length; 530g Rod Weight; up to 900hp
Pulley Kits (4) view all »
Fluidampr Crankshaft Pulley
Fluidampr Crankshaft Pulley
5-3/8in; Black Zinc Chromate Finish; 6.9lbs (4.6rwt)
Timing Belts (6) view all »
Gates Timing Belt Component Kit w/ Water Pump
Gates Timing Belt Component Kit w/ Water Pump
Includes 4x Pulleys (A, B & C), 1x Belt Tensioner (D), 1x Water Pump (E), 1x Timing Belt (F), Gaskets
W H E E L S / T I R E S 
Wheels (8) view all »
Enkei RPF1 Wheel 17x8 5x100 +45 73mm Bore Gold
Enkei RPF1 Wheel 17x8 5x100 +45 73mm Bore Gold
17x8; Gold; Bore - 73mm; Bolt Pattern - 5x100; Weight - 15.6lbs; Cap Not Inlcuded
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