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

Perrin 18-21 Subaru STI Cold Air Intake - Red

Sale

Perrin 18-21 Subaru STI Cold Air Intake - Red

Regular price $236.25 USD

Regular price ~~$315.00 USD~~ Sale price $236.25 USD
Unit price per

Sale
Perrin 18-21 Subaru STI Cold Air Intake - Black

Sale

Perrin 18-21 Subaru STI Cold Air Intake - Black

Regular price $236.25 USD

Regular price ~~$315.00 USD~~ Sale price $236.25 USD
Unit price per

Sale
Perrin 08-14 WRX / 08-15 STI Cold Air Intake - Hyper Pink

Sale

Perrin 08-14 WRX / 08-15 STI Cold Air Intake - Hyper Pink

Regular price $323.25 USD

Regular price ~~$431.00 USD~~ Sale price $323.25 USD
Unit price per

Sale
Perrin 08-17 WRX/STi Sedan Trunk Handle - Red (Single Handle w/Hardware)

Sale

Perrin 08-17 WRX/STi Sedan Trunk Handle - Red (Single Handle w/Hardware)

Regular price $22.50 USD

Regular price ~~$30.00 USD~~ Sale price $22.50 USD
Unit price per

Sale
Perrin 15-24 Subaru WRX (w/STI Short Throw) Shifter Stop Upgrade

Sale

Perrin 15-24 Subaru WRX (w/STI Short Throw) Shifter Stop Upgrade

Regular price $29.25 USD

Regular price ~~$39.00 USD~~ Sale price $29.25 USD
Unit price per

Sale
Perrin 15-24 Subaru WRX (w/Short Throw) Shifter Stop Upgrade

Sale

Perrin 15-24 Subaru WRX (w/Short Throw) Shifter Stop Upgrade

Regular price $29.25 USD

Regular price ~~$39.00 USD~~ Sale price $29.25 USD
Unit price per

Sale
Perrin 15-24 Subaru WRX (w/o Short Throw) Shifter Stop Upgrade

Sale

Perrin 15-24 Subaru WRX (w/o Short Throw) Shifter Stop Upgrade

Regular price $29.25 USD

Regular price ~~$39.00 USD~~ Sale price $29.25 USD
Unit price per

Sale
Perrin Subaru Dipstick Handle Loop Style - Pink

Sale

Perrin Subaru Dipstick Handle Loop Style - Pink

Regular price $47.25 USD

Regular price ~~$63.00 USD~~ Sale price $47.25 USD
Unit price per

Sale
Perrin Subaru Dipstick Handle Loop Style - Blue

Sale

Perrin Subaru Dipstick Handle Loop Style - Blue

Regular price $39.75 USD

Regular price ~~$53.00 USD~~ Sale price $39.75 USD
Unit price per

Sale
Perrin Subaru Dipstick Handle P Style - Red

Sale

Perrin Subaru Dipstick Handle P Style - Red

Regular price $39.75 USD

Regular price ~~$53.00 USD~~ Sale price $39.75 USD
Unit price per

Sale
Perrin Subaru Dipstick Handle P Style - Neon Yellow

Sale

Perrin Subaru Dipstick Handle P Style - Neon Yellow

Regular price $47.25 USD

Regular price ~~$63.00 USD~~ Sale price $47.25 USD
Unit price per

Sale
Perrin Subaru Dipstick Handle P Style - Pink

Sale

Perrin Subaru Dipstick Handle P Style - Pink

Regular price $47.25 USD

Regular price ~~$63.00 USD~~ Sale price $47.25 USD
Unit price per

Sale
Perrin 2015+ Subaru WRX/STI Oil Filter Cover - Black

Sale

Perrin 2015+ Subaru WRX/STI Oil Filter Cover - Black

Regular price $78.75 USD

Regular price ~~$105.00 USD~~ Sale price $78.75 USD
Unit price per

Sale
Perrin 02-24 Subaru WRX / 2022 BRZ & GR86 / 04-21 STI / 00-18 Forester XT Oil Fill Cap - Neon Yellow

Sale

Perrin 02-24 Subaru WRX / 2022 BRZ & GR86 / 04-21 STI / 00-18 Forester XT Oil Fill Cap - Neon Yellow

Regular price $66.00 USD

Regular price ~~$88.00 USD~~ Sale price $66.00 USD
Unit price per

Sale
Perrin 02-24 Subaru WRX / 2022 BRZ & GR86 / 04-21 STI / 00-18 Forester XT Oil Fill Cap - Hyper Pink

Sale

Perrin 02-24 Subaru WRX / 2022 BRZ & GR86 / 04-21 STI / 00-18 Forester XT Oil Fill Cap - Hyper Pink

Regular price $66.00 USD

Regular price ~~$88.00 USD~~ Sale price $66.00 USD
Unit price per

Sale
Perrin 02-24 Subaru WRX / 2022 BRZ & GR86 / 04-21 STI / 00-18 Forester XT Oil Fill Cap - Black

Sale

Perrin 02-24 Subaru WRX / 2022 BRZ & GR86 / 04-21 STI / 00-18 Forester XT Oil Fill Cap - Black

Regular price $61.50 USD

Regular price ~~$82.00 USD~~ Sale price $61.50 USD
Unit price per

Sale
Perrin 93-22 Impreza/02-24+ WRX/04-21 STI/13-20 & 2022 BRZ/2022 GR86 Battery Tie Down - Neon Yellow

Sale

Perrin 93-22 Impreza/02-24+ WRX/04-21 STI/13-20 & 2022 BRZ/2022 GR86 Battery Tie Down - Neon Yellow

Regular price $66.00 USD

Regular price ~~$88.00 USD~~ Sale price $66.00 USD
Unit price per

Sale
Perrin 2015+ Subaru WRX/STI Fender Shroud Set - Red

Sale

Perrin 2015+ Subaru WRX/STI Fender Shroud Set - Red

Regular price $93.00 USD

Regular price ~~$124.00 USD~~ Sale price $93.00 USD
Unit price per

Sale
Perrin 2015+ Subaru WRX/STI Fender Shroud Set - Black

Sale

Perrin 2015+ Subaru WRX/STI Fender Shroud Set - Black

Regular price $93.00 USD

Regular price ~~$124.00 USD~~ Sale price $93.00 USD
Unit price per

Sale
Perrin 15-21 WRX/STI Radiator Shroud (With OEM Intake Scoop) - Red

Sale

Perrin 15-21 WRX/STI Radiator Shroud (With OEM Intake Scoop) - Red

Regular price $85.50 USD

Regular price ~~$114.00 USD~~ Sale price $85.50 USD
Unit price per

Sale
Perrin 15-21 WRX/STI Radiator Shroud (With OEM Intake Scoop) - Neon Yellow

Sale

Perrin 15-21 WRX/STI Radiator Shroud (With OEM Intake Scoop) - Neon Yellow

Regular price $105.00 USD

Regular price ~~$140.00 USD~~ Sale price $105.00 USD
Unit price per

Sale
Perrin 15-21 WRX/STI Radiator Shroud (With OEM Intake Scoop) - Black

Sale

Perrin 15-21 WRX/STI Radiator Shroud (With OEM Intake Scoop) - Black

Regular price $85.50 USD

Regular price ~~$114.00 USD~~ Sale price $85.50 USD
Unit price per

Sale
Perrin 15-21 WRX/STI Radiator Shroud (Without OEM Intake Scoop) - Red

Sale

Perrin 15-21 WRX/STI Radiator Shroud (Without OEM Intake Scoop) - Red

Regular price $85.50 USD

Regular price ~~$114.00 USD~~ Sale price $85.50 USD
Unit price per

Sale
Perrin 15-21 WRX/STI Radiator Shroud (Without OEM Intake Scoop) - Black

Sale

Perrin 15-21 WRX/STI Radiator Shroud (Without OEM Intake Scoop) - Black

Regular price $85.50 USD

Regular price ~~$114.00 USD~~ Sale price $85.50 USD
Unit price per

Sale

1
…
3
4
5
6
7
…
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