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

Work ZR10 18x9.5 +38 Glim Black Diamond Cut Rim 5X114.3

Work ZR10 18x9.5 +38 Glim Black Diamond Cut Rim 5X114.3

Regular price $590.00 USD

Regular price Sale price $590.00 USD
Unit price per
Work ZR10 18x9.5 +38 Black Diamond Lip Cut 5X114.3

Work ZR10 18x9.5 +38 Black Diamond Lip Cut 5X114.3

Regular price $570.00 USD

Regular price Sale price $570.00 USD
Unit price per
Work ZR10 18x9.5 +38 Titanium Diamond Lip Cut 5X114.3

Work ZR10 18x9.5 +38 Titanium Diamond Lip Cut 5X114.3

Regular price $570.00 USD

Regular price Sale price $570.00 USD
Unit price per
Work ZR10 18x9.5 +38 Azure White 5X114.3

Work ZR10 18x9.5 +38 Azure White 5X114.3

Regular price $560.00 USD

Regular price Sale price $560.00 USD
Unit price per
Diode Dynamics Elite Series Fog Lamps 2015-2021 Subaru WRX/STI

Diode Dynamics Elite Series Fog Lamps 2015-2021 Subaru WRX/STI

Regular price $259.95 USD

Regular price Sale price $259.95 USD
Unit price per
Work T7R 18x9.5 +38 White 5X114.3

Available To Order

Work T7R 18x9.5 +38 White 5X114.3

Regular price $520.00 USD

Regular price Sale price $520.00 USD
Unit price per

Available To Order
Diode Dynamics 70mm HD halos (Switchback)

Diode Dynamics 70mm HD halos (Switchback)

Regular price $95.00 USD

Regular price Sale price $95.00 USD
Unit price per
Diode Dynamics 80mm HD halos (Switchback)

Diode Dynamics 80mm HD halos (Switchback)

Regular price $100.00 USD

Regular price Sale price $100.00 USD
Unit price per
Diode Dynamics SS3 Fog Lights 2015+ WRX/STI

Diode Dynamics SS3 Fog Lights 2015+ WRX/STI

Regular price From $379.95 USD

Regular price ~~$379.95 USD~~ Sale price From $379.95 USD
Unit price per
2015-2021 WRX/STI Interior Bulb Kit

2015-2021 WRX/STI Interior Bulb Kit

Regular price From $39.00 USD

Regular price Sale price From $39.00 USD
Unit price per
Diode Dynamics 2015+ WRX/STI LED C Lights

Diode Dynamics 2015+ WRX/STI LED C Lights

Regular price From $179.95 USD

Regular price Sale price From $179.95 USD
Unit price per

1
…
46
47
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