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: 2015-2021 Subaru STI parts

Sort by:

1139 products

Filter:

Product type (0)

Product type

Air Boxes (1 product)
Air Intake + Accessories (13 products)
Alternator Mount Kit (2 products)
Antennas + Accessories (1 product)
Axle Back (2 products)
Battery Tiedowns (5 products)
Belts - Timing, Accessory (1 product)
Big Brake Kits (1 product)
Boost Controllers + Accessories (3 products)
BOV and BPV (16 products)
Brackets (3 products)
Brake Calipers + Rebuild (8 products)
Brake Hardware (3 products)
Brake Line Kits (5 products)
Brake Pads (44 products)
Brake Rotors (57 products)
Bushing Kits (23 products)
Cat Back Exhaust (21 products)
Clutch Discs (4 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (14 products)
Coilovers + Accessories (6 products)
Control Arms (4 products)
Cylinder Head + Sets (18 products)
Cylinder Head Gaskets (2 products)
Cylinder Head Studs + Bolts (2 products)
Diff Mounts + Braces + Bushings (4 products)
Dipsticks (5 products)
ECU Tunes (4 products)
Engine Covers (4 products)
Engine Gaskets + Sets (1 product)
Engine Long Block (10 products)
Engine Mounts (26 products)
Engine Oil Change Kit (2 products)
Engine Short Block (7 products)
Exhaust Adapters (5 products)
Exhaust Gaskets (4 products)
Exhaust Hangers (2 products)
Exhaust Manifolds + Accessories (5 products)
Exterior Trim (4 products)
Fans & Shrouds (2 products)
Flanges (2 products)
Flywheels (3 products)
Fog Lights (2 products)
Fuel Injectors + Accessories (5 products)
Fuel Lines (61 products)
Fuel Pressure Regulators + Accessories (1 product)
Fuel Pumps + Hangers (5 products)
Fuel Rails (8 products)
Halos (2 products)
Hardware (5 products)
Hoses (4 products)
Intercoolers + Accessories (11 products)
LED (3 products)
License Plate Relocation (4 products)
Lowering Springs (3 products)
Manual Transmission Mount (6 products)
Manual Transmission Synchro Assembly (2 products)
Mud Flaps (9 products)
Multi-Purpose Light Bulb (2 products)
Oil Caps (5 products)
Oil Coolers (4 products)
Oil Filters (3 products)
Oil Pan + Baffles + Gaskets (6 products)
Oil Separators (5 products)
Oil Strainers + Gaskets (1 product)
Power Packages (10 products)
Pressure Plates (2 products)
Pulleys - Crank, Underdrive (5 products)
Radiator Caps (4 products)
Radiator Hoses (2 products)
Radiator Shrouds (5 products)
Radiator Stays (2 products)
Radiators (3 products)
Seat Brackets & Frames (2 products)
Shifter Bushings (11 products)
Shifters (3 products)
Shock Mounts & Camber Plates (3 products)
Shocks and Struts (6 products)
Spark Plugs (2 products)
Steering Dampers (2 products)
Strut Bars (5 products)
Suspension Arms & Components (5 products)
Suspension Controllers (2 products)
Sway Bar Bushings (2 products)
Sway Bar Endlinks (8 products)
Sway Bars (7 products)
Timing Belts + Components (7 products)
Tow Hooks (4 products)
Transmission Mounts (5 products)
Turbine Housings (4 products)
Turbo Heat Management (1 product)
Turbo Inlets (2 products)
Turbo Kits (2 products)
Turbo Oil Lines + Accessories (1 product)
Turbochargers (8 products)
Wastegate + Accessories (4 products)
Wheel Spacers & Adapters (5 products)
Wheels (289 products)
Wheels - Cast (177 products)

Air Boxes (1 product)
Air Intake + Accessories (13 products)
Alternator Mount Kit (2 products)
Antennas + Accessories (1 product)
Axle Back (2 products)
Battery Tiedowns (5 products)
Belts - Timing, Accessory (1 product)
Big Brake Kits (1 product)
Boost Controllers + Accessories (3 products)
BOV and BPV (16 products)
Brackets (3 products)
Brake Calipers + Rebuild (8 products)
Brake Hardware (3 products)
Brake Line Kits (5 products)
Brake Pads (44 products)
Brake Rotors (57 products)
Bushing Kits (23 products)
Cat Back Exhaust (21 products)
Clutch Discs (4 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (14 products)
Coilovers + Accessories (6 products)
Control Arms (4 products)
Cylinder Head + Sets (18 products)
Cylinder Head Gaskets (2 products)
Cylinder Head Studs + Bolts (2 products)
Diff Mounts + Braces + Bushings (4 products)
Dipsticks (5 products)
ECU Tunes (4 products)
Engine Covers (4 products)
Engine Gaskets + Sets (1 product)
Engine Long Block (10 products)
Engine Mounts (26 products)
Engine Oil Change Kit (2 products)
Engine Short Block (7 products)
Exhaust Adapters (5 products)
Exhaust Gaskets (4 products)
Exhaust Hangers (2 products)
Exhaust Manifolds + Accessories (5 products)
Exterior Trim (4 products)
Fans & Shrouds (2 products)
Flanges (2 products)
Flywheels (3 products)
Fog Lights (2 products)
Fuel Injectors + Accessories (5 products)
Fuel Lines (61 products)
Fuel Pressure Regulators + Accessories (1 product)
Fuel Pumps + Hangers (5 products)
Fuel Rails (8 products)
Halos (2 products)
Hardware (5 products)
Hoses (4 products)
Intercoolers + Accessories (11 products)
LED (3 products)
License Plate Relocation (4 products)
Lowering Springs (3 products)
Manual Transmission Mount (6 products)
Manual Transmission Synchro Assembly (2 products)
Mud Flaps (9 products)
Multi-Purpose Light Bulb (2 products)
Oil Caps (5 products)
Oil Coolers (4 products)
Oil Filters (3 products)
Oil Pan + Baffles + Gaskets (6 products)
Oil Separators (5 products)
Oil Strainers + Gaskets (1 product)
Power Packages (10 products)
Pressure Plates (2 products)
Pulleys - Crank, Underdrive (5 products)
Radiator Caps (4 products)
Radiator Hoses (2 products)
Radiator Shrouds (5 products)
Radiator Stays (2 products)
Radiators (3 products)
Seat Brackets & Frames (2 products)
Shifter Bushings (11 products)
Shifters (3 products)
Shock Mounts & Camber Plates (3 products)
Shocks and Struts (6 products)
Spark Plugs (2 products)
Steering Dampers (2 products)
Strut Bars (5 products)
Suspension Arms & Components (5 products)
Suspension Controllers (2 products)
Sway Bar Bushings (2 products)
Sway Bar Endlinks (8 products)
Sway Bars (7 products)
Timing Belts + Components (7 products)
Tow Hooks (4 products)
Transmission Mounts (5 products)
Turbine Housings (4 products)
Turbo Heat Management (1 product)
Turbo Inlets (2 products)
Turbo Kits (2 products)
Turbo Oil Lines + Accessories (1 product)
Turbochargers (8 products)
Wastegate + Accessories (4 products)
Wheel Spacers & Adapters (5 products)
Wheels (289 products)
Wheels - Cast (177 products)

Brand (0)

Brand

Color (0)

Color

Amber yellow (2 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)
Pure white (2 products)
Red (7 products)
Silver (41 products)
White (56 products)

Amber yellow (2 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)
Pure white (2 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 (1027 products)
Out of stock (112 products)

In stock (1027 products)
Out of stock (112 products)

Sort by:

Filter and sort Filter

Filter and sort

Filter

1139 products

Product type

Air Boxes (1 products)
Air Intake + Accessories (13 products)
Alternator Mount Kit (2 products)
Antennas + Accessories (1 products)
Axle Back (2 products)
Battery Tiedowns (5 products)
Belts - Timing, Accessory (1 products)
Big Brake Kits (1 products)
Boost Controllers + Accessories (3 products)
BOV and BPV (16 products)
Brackets (3 products)
Brake Calipers + Rebuild (8 products)
Brake Hardware (3 products)
Brake Line Kits (5 products)
Brake Pads (44 products)
Brake Rotors (57 products)
Bushing Kits (23 products)
Cat Back Exhaust (21 products)
Clutch Discs (4 products)
Clutch Kits - Multi (6 products)
Clutch Kits - Single (14 products)
Coilovers + Accessories (6 products)
Control Arms (4 products)
Cylinder Head + Sets (18 products)
Cylinder Head Gaskets (2 products)
Cylinder Head Studs + Bolts (2 products)
Diff Mounts + Braces + Bushings (4 products)
Dipsticks (5 products)
ECU Tunes (4 products)
Engine Covers (4 products)
Engine Gaskets + Sets (1 products)
Engine Long Block (10 products)
Engine Mounts (26 products)
Engine Oil Change Kit (2 products)
Engine Short Block (7 products)
Exhaust Adapters (5 products)
Exhaust Gaskets (4 products)
Exhaust Hangers (2 products)
Exhaust Manifolds + Accessories (5 products)
Exterior Trim (4 products)
Fans & Shrouds (2 products)
Flanges (2 products)
Flywheels (3 products)
Fog Lights (2 products)
Fuel Injectors + Accessories (5 products)
Fuel Lines (61 products)
Fuel Pressure Regulators + Accessories (1 products)
Fuel Pumps + Hangers (5 products)
Fuel Rails (8 products)
Halos (2 products)
Hardware (5 products)
Hoses (4 products)
Intercoolers + Accessories (11 products)
LED (3 products)
License Plate Relocation (4 products)
Lowering Springs (3 products)
Manual Transmission Mount (6 products)
Manual Transmission Synchro Assembly (2 products)
Mud Flaps (9 products)
Multi-Purpose Light Bulb (2 products)
Oil Caps (5 products)
Oil Coolers (4 products)
Oil Filters (3 products)
Oil Pan + Baffles + Gaskets (6 products)
Oil Separators (5 products)
Oil Strainers + Gaskets (1 products)
Power Packages (10 products)
Pressure Plates (2 products)
Pulleys - Crank, Underdrive (5 products)
Radiator Caps (4 products)
Radiator Hoses (2 products)
Radiator Shrouds (5 products)
Radiator Stays (2 products)
Radiators (3 products)
Seat Brackets & Frames (2 products)
Shifter Bushings (11 products)
Shifters (3 products)
Shock Mounts & Camber Plates (3 products)
Shocks and Struts (6 products)
Spark Plugs (2 products)
Steering Dampers (2 products)
Strut Bars (5 products)
Suspension Arms & Components (5 products)
Suspension Controllers (2 products)
Sway Bar Bushings (2 products)
Sway Bar Endlinks (8 products)
Sway Bars (7 products)
Timing Belts + Components (7 products)
Tow Hooks (4 products)
Transmission Mounts (5 products)
Turbine Housings (4 products)
Turbo Heat Management (1 products)
Turbo Inlets (2 products)
Turbo Kits (2 products)
Turbo Oil Lines + Accessories (1 products)
Turbochargers (8 products)
Wastegate + Accessories (4 products)
Wheel Spacers & Adapters (5 products)
Wheels (289 products)
Wheels - Cast (177 products)

Clear

Brand

Clear

Color

Amber yellow (2 products)
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)
Pure white (2 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 (1027 products)
Out of stock (112 products)

Clear

Sort by:

Remove all

1139 products

K&N 09-18 Subaru Forester 2.5L H4 F/I Cabin Air Filter

K&N 09-18 Subaru Forester 2.5L H4 F/I Cabin Air Filter

Regular price $38.39 USD

Regular price Sale price $38.39 USD
Unit price per
K&N 2018 Subaru WRX STI H4-2.5L F/I Typhoon Performance Intake

K&N 2018 Subaru WRX STI H4-2.5L F/I Typhoon Performance Intake

Regular price $317.99 USD

Regular price Sale price $317.99 USD
Unit price per
GSC P-D EJ257 Beehive Valve Springs w/ Titanium Retainer Valvetrain Kit (Use factory spring seats)

Sale

GSC P-D EJ257 Beehive Valve Springs w/ Titanium Retainer Valvetrain Kit (Use factory spring seats)

Regular price $399.92 USD

Regular price ~~$470.49 USD~~ Sale price $399.92 USD
Unit price per

Sale
GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal Set

Sale

GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal Set

Regular price $14.24 USD

Regular price ~~$16.75 USD~~ Sale price $14.24 USD
Unit price per

Sale
Fluidampr Subaru EJ Series Steel Internally Balanced Damper

Sale

Fluidampr Subaru EJ Series Steel Internally Balanced Damper

Regular price $482.92 USD

Regular price ~~$568.14 USD~~ Sale price $482.92 USD
Unit price per

Sale
BBS SR 18x8 5x114.3 ET40 Satin Grey Wheel -82mm PFS/Clip Required

BBS SR 18x8 5x114.3 ET40 Satin Grey Wheel -82mm PFS/Clip Required

Regular price $360.00 USD

Regular price Sale price $360.00 USD
Unit price per
EBC S6 Kits Subaru 2005-2014 / 2015-2017 STI / 2008-2014 WRXBluestuff Pads and GD Rotors

Sale

EBC S6 Kits Subaru 2005-2014 / 2015-2017 STI / 2008-2014 WRXBluestuff Pads and GD Rotors

Regular price $454.42 USD

Regular price ~~$478.34 USD~~ Sale price $454.42 USD
Unit price per

Sale
EBC S6 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Bluestuff Pads and GD Rotors

Sale

EBC S6 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Bluestuff Pads and GD Rotors

Regular price $505.67 USD

Regular price ~~$532.28 USD~~ Sale price $505.67 USD
Unit price per

Sale
EBC S4 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Redstuff Pads and USR Rotors

Sale

EBC S4 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Redstuff Pads and USR Rotors

Regular price $294.04 USD

Regular price ~~$309.51 USD~~ Sale price $294.04 USD
Unit price per

Sale
EBC S4 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Redstuff Pads and USR Rotors

Sale

EBC S4 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Redstuff Pads and USR Rotors

Regular price $505.67 USD

Regular price ~~$532.28 USD~~ Sale price $505.67 USD
Unit price per

Sale
Hawk 1984-1986 Alfa Romeo GTV-6 2.5 HPS 5.0 Front Brake Pads

Sale

Hawk 1984-1986 Alfa Romeo GTV-6 2.5 HPS 5.0 Front Brake Pads

Regular price $119.06 USD

Regular price ~~$146.99 USD~~ Sale price $119.06 USD
Unit price per

Sale
Engine Oil Pan Drain Plug Gasket - EJ20/EJ25

Engine Oil Pan Drain Plug Gasket - EJ20/EJ25

Regular price $1.98 USD

Regular price Sale price $1.98 USD
Unit price per
Subaru Engine Oil Filter EJ20/EJ25

Subaru Engine Oil Filter EJ20/EJ25

Regular price $9.05 USD

Regular price Sale price $9.05 USD
Unit price per
EBC Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX USR Slotted Rear Rotors

Sale

EBC Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX USR Slotted Rear Rotors

Regular price $230.33 USD

Regular price ~~$242.45 USD~~ Sale price $230.33 USD
Unit price per

Sale
EBC Subaru 2004-2014 / 2015-2017 STI USR Slotted Front Rotors

Sale

EBC Subaru 2004-2014 / 2015-2017 STI USR Slotted Front Rotors

Regular price $378.84 USD

Regular price ~~$398.78 USD~~ Sale price $378.84 USD
Unit price per

Sale
EBC Subaru 2004-2014 / 2015-2017 STI / 2003-2014 WRX Ultimax2 Rear Brake Pads

Sale

EBC Subaru 2004-2014 / 2015-2017 STI / 2003-2014 WRX Ultimax2 Rear Brake Pads

Regular price $57.13 USD

Regular price ~~$60.13 USD~~ Sale price $57.13 USD
Unit price per

Sale
EBC Subaru 2004-2014 / 2015-2017 STI / 2003-2014 WRX Ultimax2 Front Brake Pads

Sale

EBC Subaru 2004-2014 / 2015-2017 STI / 2003-2014 WRX Ultimax2 Front Brake Pads

Regular price $77.06 USD

Regular price ~~$81.11 USD~~ Sale price $77.06 USD
Unit price per

Sale
EBC S9 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Yellowstuff Pads and USR Rotors

Sale

EBC S9 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Yellowstuff Pads and USR Rotors

Regular price $294.04 USD

Regular price ~~$309.51 USD~~ Sale price $294.04 USD
Unit price per

Sale
EBC S6 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Bluestuff Pads and GD Rotors

Sale

EBC S6 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Bluestuff Pads and GD Rotors

Regular price $294.04 USD

Regular price ~~$309.51 USD~~ Sale price $294.04 USD
Unit price per

Sale
EBC Front Bluestuff Pads and GD Rotors 2015-2021 Subaru WRX

Sale

EBC Front Bluestuff Pads and GD Rotors 2015-2021 Subaru WRX

Regular price $433.19 USD

Regular price ~~$456.00 USD~~ Sale price $433.19 USD
Unit price per

Sale
EBC S5 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Yellowstuff Pads and GD Rotors

Sale

EBC S5 Kits Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Yellowstuff Pads and GD Rotors

Regular price $294.04 USD

Regular price ~~$309.51 USD~~ Sale price $294.04 USD
Unit price per

Sale
EBC Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Premium Rear Rotors

Sale

EBC Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX Premium Rear Rotors

Regular price $136.10 USD

Regular price ~~$143.26 USD~~ Sale price $136.10 USD
Unit price per

Sale
EBC Subaru 2004-2014 / 2015-2017 STI Premium Front Rotors

Sale

EBC Subaru 2004-2014 / 2015-2017 STI Premium Front Rotors

Regular price $223.87 USD

Regular price ~~$235.65 USD~~ Sale price $223.87 USD
Unit price per

Sale
EBC Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX GD Sport Rear Rotors

Sale

EBC Subaru 2008-2014 / 2015-2017 STI / 2008-2014 WRX GD Sport Rear Rotors

Regular price $230.33 USD

Regular price ~~$242.45 USD~~ Sale price $230.33 USD
Unit price per

Sale

1
…
32
33
34
35
36
…
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