Skip to content

Home
Shop
Contact Us
FAQs

Country/region

Country/region

Facebook
Instagram
TikTok
YouTube

Home
Shop
Contact Us
FAQs

Search

Item added to your cart

View cart

Collection: 2011-2014 STI

Sort by:

1149 products

Filter:

Product type (0)

Product type

Air Boxes (2 products)
Air Filters - Drop In (1 product)
Air Intake + Accessories (12 products)
Alternator Mount Kit (2 products)
Antennas + Accessories (1 product)
Axle Back (1 product)
Battery Tiedowns (5 products)
Belts - Timing, Accessory (2 products)
Big Brake Kits (1 product)
Boost Controllers + Accessories (3 products)
BOV and BPV (19 products)
Brackets (2 products)
Brake Calipers + Rebuild (6 products)
Brake Hardware (2 products)
Brake Line Kits (5 products)
Brake Pads (47 products)
Brake Rotors (57 products)
Bushing Kits (22 products)
Camber Kits (2 products)
Camshafts (2 products)
Cat Back Exhaust (17 products)
Chassis Bracing (5 products)
Clutch Discs (4 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (15 products)
Coilovers + Accessories (1 product)
Control Arms (3 products)
Coolant Reservoirs (2 products)
Cylinder Head + Sets (9 products)
Cylinder Head Gaskets (2 products)
Cylinder Head Studs + Bolts (3 products)
Diff Mounts + Braces + Bushings (4 products)
Dipsticks (5 products)
ECU Tunes (2 products)
Engine Covers (6 products)
Engine Gaskets + Sets (1 product)
Engine Long Block (5 products)
Engine Mounts (24 products)
Engine Oil Change Kit (2 products)
Engine Short Block (7 products)
Exhaust Adapters (3 products)
Exhaust Hangers (2 products)
Exhaust Manifolds + Accessories (5 products)
Fans & Shrouds (2 products)
Flanges (3 products)
Flex Fuel Kit (2 products)
Floor Mats (1 product)
Flywheels (3 products)
Fuel Injectors + Accessories (5 products)
Fuel Lines (91 products)
Fuel Pressure Regulators + Accessories (5 products)
Fuel Pumps + Hangers (6 products)
Fuel Rails (9 products)
Hardware (4 products)
Heat Shields (2 products)
HID (2 products)
Hoses (4 products)
Intercoolers + Accessories (18 products)
LED (3 products)
Lowering Springs (2 products)
Manual Transmission Mount (6 products)
Manual Transmission Synchro Assembly (2 products)
Mud Flaps (6 products)
Oil Caps (5 products)
Oil Catch Can (2 products)
Oil Pan + Baffles + Gaskets (6 products)
Oil Separators (5 products)
Oil Strainers + Gaskets (1 product)
Piston Rings (3 products)
Power Packages (10 products)
Pressure Plates (2 products)
Programmers + Accessories (1 product)
Pulleys - Crank, Underdrive (6 products)
Radiator Caps (4 products)
Radiator Hoses (2 products)
Radiator Shrouds (3 products)
Radiators (3 products)
Shifter Bushings (9 products)
Shifters (4 products)
Shock Mounts & Camber Plates (4 products)
Spark Plugs (2 products)
Strut Bars (5 products)
Suspension Arms & Components (4 products)
Suspension Controllers (2 products)
Sway Bar Endlinks (9 products)
Sway Bars (12 products)
Tail Lights (4 products)
Timing Belts + Components (7 products)
Tow Hooks (2 products)
Transmission Mounts (5 products)
Turbine Housings (4 products)
Turbo Inlets (2 products)
Turbo Kits (2 products)
Turbo Oil Lines + Accessories (1 product)
Turbochargers (7 products)
Wastegate + Accessories (4 products)
Water Meth (1 product)
Wheel Spacers & Adapters (8 products)
Wheels (289 products)
Wheels - Cast (177 products)

Air Boxes (2 products)
Air Filters - Drop In (1 product)
Air Intake + Accessories (12 products)
Alternator Mount Kit (2 products)
Antennas + Accessories (1 product)
Axle Back (1 product)
Battery Tiedowns (5 products)
Belts - Timing, Accessory (2 products)
Big Brake Kits (1 product)
Boost Controllers + Accessories (3 products)
BOV and BPV (19 products)
Brackets (2 products)
Brake Calipers + Rebuild (6 products)
Brake Hardware (2 products)
Brake Line Kits (5 products)
Brake Pads (47 products)
Brake Rotors (57 products)
Bushing Kits (22 products)
Camber Kits (2 products)
Camshafts (2 products)
Cat Back Exhaust (17 products)
Chassis Bracing (5 products)
Clutch Discs (4 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (15 products)
Coilovers + Accessories (1 product)
Control Arms (3 products)
Coolant Reservoirs (2 products)
Cylinder Head + Sets (9 products)
Cylinder Head Gaskets (2 products)
Cylinder Head Studs + Bolts (3 products)
Diff Mounts + Braces + Bushings (4 products)
Dipsticks (5 products)
ECU Tunes (2 products)
Engine Covers (6 products)
Engine Gaskets + Sets (1 product)
Engine Long Block (5 products)
Engine Mounts (24 products)
Engine Oil Change Kit (2 products)
Engine Short Block (7 products)
Exhaust Adapters (3 products)
Exhaust Hangers (2 products)
Exhaust Manifolds + Accessories (5 products)
Fans & Shrouds (2 products)
Flanges (3 products)
Flex Fuel Kit (2 products)
Floor Mats (1 product)
Flywheels (3 products)
Fuel Injectors + Accessories (5 products)
Fuel Lines (91 products)
Fuel Pressure Regulators + Accessories (5 products)
Fuel Pumps + Hangers (6 products)
Fuel Rails (9 products)
Hardware (4 products)
Heat Shields (2 products)
HID (2 products)
Hoses (4 products)
Intercoolers + Accessories (18 products)
LED (3 products)
Lowering Springs (2 products)
Manual Transmission Mount (6 products)
Manual Transmission Synchro Assembly (2 products)
Mud Flaps (6 products)
Oil Caps (5 products)
Oil Catch Can (2 products)
Oil Pan + Baffles + Gaskets (6 products)
Oil Separators (5 products)
Oil Strainers + Gaskets (1 product)
Piston Rings (3 products)
Power Packages (10 products)
Pressure Plates (2 products)
Programmers + Accessories (1 product)
Pulleys - Crank, Underdrive (6 products)
Radiator Caps (4 products)
Radiator Hoses (2 products)
Radiator Shrouds (3 products)
Radiators (3 products)
Shifter Bushings (9 products)
Shifters (4 products)
Shock Mounts & Camber Plates (4 products)
Spark Plugs (2 products)
Strut Bars (5 products)
Suspension Arms & Components (4 products)
Suspension Controllers (2 products)
Sway Bar Endlinks (9 products)
Sway Bars (12 products)
Tail Lights (4 products)
Timing Belts + Components (7 products)
Tow Hooks (2 products)
Transmission Mounts (5 products)
Turbine Housings (4 products)
Turbo Inlets (2 products)
Turbo Kits (2 products)
Turbo Oil Lines + Accessories (1 product)
Turbochargers (7 products)
Wastegate + Accessories (4 products)
Water Meth (1 product)
Wheel Spacers & Adapters (8 products)
Wheels (289 products)
Wheels - Cast (177 products)

Brand (0)

Brand

Color (0)

Color

Black (75 products)
Blue (33 products)
Bronze (57 products)
Cool White (1 product)
Gold (6 products)
Green (3 products)
Grey (1 product)
Gunmetal (31 products)
Red (7 products)
Silver (41 products)
White (56 products)

Black (75 products)
Blue (33 products)
Bronze (57 products)
Cool White (1 product)
Gold (6 products)
Green (3 products)
Grey (1 product)
Gunmetal (31 products)
Red (7 products)
Silver (41 products)
White (56 products)

Price

The highest price is $18,199.99

$

From

To

Availability (0)

Availability

In stock (1037 products)
Out of stock (112 products)

In stock (1037 products)
Out of stock (112 products)

Sort by:

Filter and sort Filter

Filter and sort

Filter

1149 products

Product type

Air Boxes (2 products)
Air Filters - Drop In (1 products)
Air Intake + Accessories (12 products)
Alternator Mount Kit (2 products)
Antennas + Accessories (1 products)
Axle Back (1 products)
Battery Tiedowns (5 products)
Belts - Timing, Accessory (2 products)
Big Brake Kits (1 products)
Boost Controllers + Accessories (3 products)
BOV and BPV (19 products)
Brackets (2 products)
Brake Calipers + Rebuild (6 products)
Brake Hardware (2 products)
Brake Line Kits (5 products)
Brake Pads (47 products)
Brake Rotors (57 products)
Bushing Kits (22 products)
Camber Kits (2 products)
Camshafts (2 products)
Cat Back Exhaust (17 products)
Chassis Bracing (5 products)
Clutch Discs (4 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (15 products)
Coilovers + Accessories (1 products)
Control Arms (3 products)
Coolant Reservoirs (2 products)
Cylinder Head + Sets (9 products)
Cylinder Head Gaskets (2 products)
Cylinder Head Studs + Bolts (3 products)
Diff Mounts + Braces + Bushings (4 products)
Dipsticks (5 products)
ECU Tunes (2 products)
Engine Covers (6 products)
Engine Gaskets + Sets (1 products)
Engine Long Block (5 products)
Engine Mounts (24 products)
Engine Oil Change Kit (2 products)
Engine Short Block (7 products)
Exhaust Adapters (3 products)
Exhaust Hangers (2 products)
Exhaust Manifolds + Accessories (5 products)
Fans & Shrouds (2 products)
Flanges (3 products)
Flex Fuel Kit (2 products)
Floor Mats (1 products)
Flywheels (3 products)
Fuel Injectors + Accessories (5 products)
Fuel Lines (91 products)
Fuel Pressure Regulators + Accessories (5 products)
Fuel Pumps + Hangers (6 products)
Fuel Rails (9 products)
Hardware (4 products)
Heat Shields (2 products)
HID (2 products)
Hoses (4 products)
Intercoolers + Accessories (18 products)
LED (3 products)
Lowering Springs (2 products)
Manual Transmission Mount (6 products)
Manual Transmission Synchro Assembly (2 products)
Mud Flaps (6 products)
Oil Caps (5 products)
Oil Catch Can (2 products)
Oil Pan + Baffles + Gaskets (6 products)
Oil Separators (5 products)
Oil Strainers + Gaskets (1 products)
Piston Rings (3 products)
Power Packages (10 products)
Pressure Plates (2 products)
Programmers + Accessories (1 products)
Pulleys - Crank, Underdrive (6 products)
Radiator Caps (4 products)
Radiator Hoses (2 products)
Radiator Shrouds (3 products)
Radiators (3 products)
Shifter Bushings (9 products)
Shifters (4 products)
Shock Mounts & Camber Plates (4 products)
Spark Plugs (2 products)
Strut Bars (5 products)
Suspension Arms & Components (4 products)
Suspension Controllers (2 products)
Sway Bar Endlinks (9 products)
Sway Bars (12 products)
Tail Lights (4 products)
Timing Belts + Components (7 products)
Tow Hooks (2 products)
Transmission Mounts (5 products)
Turbine Housings (4 products)
Turbo Inlets (2 products)
Turbo Kits (2 products)
Turbo Oil Lines + Accessories (1 products)
Turbochargers (7 products)
Wastegate + Accessories (4 products)
Water Meth (1 products)
Wheel Spacers & Adapters (8 products)
Wheels (289 products)
Wheels - Cast (177 products)

Clear

Brand

Clear

Color

Black (75 products)
Blue (33 products)
Bronze (57 products)
Cool White (1 products)
Gold (6 products)
Green (3 products)
Grey (1 products)
Gunmetal (31 products)
Red (7 products)
Silver (41 products)
White (56 products)

Clear

Price

The highest price is $18,199.99

$

From

$

To

Clear

Availability

In stock (1037 products)
Out of stock (112 products)

Clear

Sort by:

Remove all

1149 products

Torque Solution Turbo Inlet Hose Black (Non-Recirc): 02-07 Subaru WRX / 04-20 STI / 05-09 Legacy GT

Torque Solution Turbo Inlet Hose Black (Non-Recirc): 02-07 Subaru WRX / 04-20 STI / 05-09 Legacy GT

Regular price $299.99 USD

Regular price Sale price $299.99 USD
Unit price per
Torque Solution Subaru EJ w/ Garrett GT/GTX -10AN Turbo Oil Return Line Kit

Torque Solution Subaru EJ w/ Garrett GT/GTX -10AN Turbo Oil Return Line Kit

Regular price $144.43 USD

Regular price Sale price $144.43 USD
Unit price per
Centric PQ PRO 04-17 Subaru WRX STI Semi-Metallic Rear Brake Pads

Centric PQ PRO 04-17 Subaru WRX STI Semi-Metallic Rear Brake Pads

Regular price $43.54 USD

Regular price Sale price $43.54 USD
Unit price per
Stoptech 05-07 Subaru Impreza WRX Sti Front High Carbon CRYO-STOP Rotor

Sale

Stoptech 05-07 Subaru Impreza WRX Sti Front High Carbon CRYO-STOP Rotor

Regular price $170.62 USD

Regular price ~~$200.73 USD~~ Sale price $170.62 USD
Unit price per

Sale
Invidia 11+ STI/WRX Sedan Only 76mm Q300 Titanium Tip Cat-back Exhaust

Sale

Invidia 11+ STI/WRX Sedan Only 76mm Q300 Titanium Tip Cat-back Exhaust

Regular price $1,848.28 USD

Regular price ~~$2,640.40 USD~~ Sale price $1,848.28 USD
Unit price per

Sale
Invidia 11+ STI/WRX Sedan Only 76mm Q300 Stainless Steel Tip Cat-back Exhaust

Sale

Invidia 11+ STI/WRX Sedan Only 76mm Q300 Stainless Steel Tip Cat-back Exhaust

Regular price $1,736.56 USD

Regular price ~~$2,480.80 USD~~ Sale price $1,736.56 USD
Unit price per

Sale
Invidia 08-14 WRX/STi 5 Door 80mm Single Outlet Full Titanium Cat-Back Exhaust

Sale

Invidia 08-14 WRX/STi 5 Door 80mm Single Outlet Full Titanium Cat-Back Exhaust

Regular price $1,913.73 USD

Regular price ~~$2,733.90 USD~~ Sale price $1,913.73 USD
Unit price per

Sale
Invidia 08-14 WRX / 08-21 STi Polished Divorced Waste Gate Downpipe

Sale

Invidia 08-14 WRX / 08-21 STi Polished Divorced Waste Gate Downpipe

Regular price $695.10 USD

Regular price ~~$993.00 USD~~ Sale price $695.10 USD
Unit price per

Sale
Invidia 08-11 STi Hatch / 11 WRX Hatch Dual N1 Single Layer Titanium Tipped Cat-back Exhaust

Sale

Invidia 08-11 STi Hatch / 11 WRX Hatch Dual N1 Single Layer Titanium Tipped Cat-back Exhaust

Regular price $1,308.30 USD

Regular price ~~$1,869.00 USD~~ Sale price $1,308.30 USD
Unit price per

Sale
Invidia 08-11 STi Hatch / 11 WRX Hatch Dual N1 Single Layer SS Tipped Cat-back Exhaust

Sale

Invidia 08-11 STi Hatch / 11 WRX Hatch Dual N1 Single Layer SS Tipped Cat-back Exhaust

Regular price $1,269.10 USD

Regular price ~~$1,813.00 USD~~ Sale price $1,269.10 USD
Unit price per

Sale
GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Red

GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Red

Regular price $116.00 USD

Regular price Sale price $116.00 USD
Unit price per
GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Black

GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Black

Regular price $116.00 USD

Regular price Sale price $116.00 USD
Unit price per
GrimmSpeed 08-14 Subaru WRX & STI Radiator Shroud w/Tool Tray - Red

GrimmSpeed 08-14 Subaru WRX & STI Radiator Shroud w/Tool Tray - Red

Regular price $73.00 USD

Regular price Sale price $73.00 USD
Unit price per
GrimmSpeed 08-14 Subaru WRX & STI Radiator Shroud w/Tool Tray - Black

GrimmSpeed 08-14 Subaru WRX & STI Radiator Shroud w/Tool Tray - Black

Regular price $73.00 USD

Regular price Sale price $73.00 USD
Unit price per
GrimmSpeed 08-14 Subaru WRX & STI / 08-09 LGT Master Cylinder Brace

GrimmSpeed 08-14 Subaru WRX & STI / 08-09 LGT Master Cylinder Brace

Regular price $104.00 USD

Regular price Sale price $104.00 USD
Unit price per
SuperPro Camber Bolt Kit - Subaru Rear LCA

SuperPro Camber Bolt Kit - Subaru Rear LCA

Regular price $44.99 USD

Regular price Sale price $44.99 USD
Unit price per
9005/9145/H10 S-V.4 LED Bulb - Yellow (Pair)

Sale

9005/9145/H10 S-V.4 LED Bulb - Yellow (Pair)

Regular price $187.00 USD

Regular price ~~$224.40 USD~~ Sale price $187.00 USD
Unit price per

Sale
Torque Solution Post Maf Silicone Intake Hose: Subaru WRX / STi / Legacy / Outback

Torque Solution Post Maf Silicone Intake Hose: Subaru WRX / STi / Legacy / Outback

Regular price $64.99 USD

Regular price Sale price $64.99 USD
Unit price per
Mishimoto 08-14 Subaru WRX Top-Mount Intercooler Kit - Powder Coated Silver & Red Hoses

Sale

Mishimoto 08-14 Subaru WRX Top-Mount Intercooler Kit - Powder Coated Silver & Red Hoses

Regular price $993.95 USD

Regular price ~~$1,093.00 USD~~ Sale price $993.95 USD
Unit price per

Sale
AEM 08-14 WRX & STi Cold Air Intake Sytem - Gunmetal Gray

AEM 08-14 WRX & STi Cold Air Intake Sytem - Gunmetal Gray

Regular price $264.99 USD

Regular price Sale price $264.99 USD
Unit price per
Exedy Subaru 06-14 WRX / 04-21 STI H4 Stage 2 Cerametallic Clutch Thick Disc

Sale

Exedy Subaru 06-14 WRX / 04-21 STI H4 Stage 2 Cerametallic Clutch Thick Disc

Regular price $1,018.30 USD

Regular price ~~$1,198.03 USD~~ Sale price $1,018.30 USD
Unit price per

Sale
Turbo XS 2008 WRX / 2008 STi Cold Air Intake

Turbo XS 2008 WRX / 2008 STi Cold Air Intake

Regular price $298.88 USD

Regular price Sale price $298.88 USD
Unit price per
Turbo XS 08-12 WRX 50/50 Hybrid BOV

Turbo XS 08-12 WRX 50/50 Hybrid BOV

Regular price $324.98 USD

Regular price Sale price $324.98 USD
Unit price per
Wiseco 92.5mm Ring Set w/ tabbed oil set Ring Shelf Stock

Wiseco 92.5mm Ring Set w/ tabbed oil set Ring Shelf Stock

Regular price $34.99 USD

Regular price Sale price $34.99 USD
Unit price per

1
…
15
16
17
18
19
…
48

Contact Us

sales@circuitdemon.com

585-420-6920

640 East Main Street

Palmyra, NY 14522

Open Monday through Friday 9am-5pm

Menu

The New Circuit Demon
Shop
Blog
Contact Us
FAQ's

Share your email to be the first to know about exclusive offers, behind the scenes footage, and new product alerts.

Email

Facebook
Instagram
YouTube
TikTok

Country/region

Country/region

© 2025, Circuit Demon Powered by Shopify

Refund policy
Privacy policy
Terms of service
Shipping policy
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.

Search