Skip to content

2015-2021 Subaru STI Cooling

Subaru OEM Super Coolant 1 Gallon

Original price $30.18 - Original price $30.18
Original price
$30.18
$30.18 - $30.18
Current price $30.18

Formulated for long-lasting corrosion and rust protection for all cooling system components, this prediluted antifreeze/engine coolant prevents the...

View full details

GrimmSpeed Top Mount Intercooler Aluminum Y-Pipe Kit 2004-2021 STI

Original price $169.00
Original price $169.00 - Original price $169.00
Original price $169.00
$152.10 - $169.00
$152.10 - $169.00
Current price $152.10

DESCRIPTION The Grimmspeed Top Mount Intercooler Y-Pipe Kit has been designed to work with factory or aftermarket top mount intercoolers. This is a...

View full details

GrimmSpeed Top Mount Intercooler Kit 2002-2007 WRX / 2004-2021 STI

Original price $719.00 - Original price $799.00
Original price
$719.00 - $799.00
$719.00 - $799.00
Current price $719.00

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...

View full details

Koyo Aluminum Racing Radiator 2008-2021 WRX/STI

Original price $359.00 - Original price $359.00
Original price
$359.00
$359.00 - $359.00
Current price $359.00

The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator line up. An engine's cooling system in many newer vehicles...

View full details

Process West Black Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI

Original price $2,098.95 - Original price $2,098.95
Original price
$2,098.95
$2,098.95 - $2,098.95
Current price $2,098.95

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

View full details

CSF 2-Row Aluminum Radiator 2008-2021 WRX/STI

Original price $389.00 - Original price $389.00
Original price
$389.00
$389.00 - $389.00
Current price $389.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION CSF uses new te...

View full details

GrimmSpeed Top Mount Intercooler Splitter 2015-2021 STI

Original price $235.00 - Original price $235.00
Original price
$235.00
$235.00 - $235.00
Current price $235.00

DESCRIPTION This is the Grimmspeed Splitter that is available for separate purchase. This particular splitter comes with the Grimmspeed Top Mount I...

View full details

GrimmSpeed Front Mount Intercooler Kit 2015-2021 STI

Original price $1,559.00 - Original price $1,679.00
Original price
$1,559.00 - $1,679.00
$1,559.00 - $1,679.00
Current price $1,559.00

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

View full details

ETS Rotated Piping Kit 2015-2021 STI

Original price $795.00 - Original price $830.00
Original price
$795.00 - $830.00
$795.00 - $830.00
Current price $795.00

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

View full details

ETS Front Mount Intercooler 2015-2021 WRX/STI

Original price $759.00 - Original price $1,159.00
Original price
$759.00 - $1,159.00
$759.00 - $1,159.00
Current price $759.00

Tired of heat soak? We don't blame you!   It's time to upgrade to an intercooler that is designed specifically for the 2015+ WRX with performance i...

View full details

COBB Tuning Black Front Mount Intercooler Kit 2015-2021 STI

Original price $2,225.00 - Original price $2,225.00
Original price
$2,225.00
$2,225.00 - $2,225.00
Current price $2,225.00

DESCRIPTION Remove the overworked factory intercooler from your 2015+ STI in favor of the Black COBB Front Mount Intercooler Kit. Featuring a ...

View full details

ETS Chassis Support Brace 2015-2021 STI

Original price $249.00 - Original price $249.00
Original price
$249.00
$249.00 - $249.00
Current price $249.00

This is handmade here in the USA at Extreme Turbo Systems. This will bolt up with a 3.0"-4.0" ETS intercooler and requires no additional trimming o...

View full details

ETS Top Mount Intercooler 2008-2021 STI

Original price $695.00 - Original price $895.00
Original price
$695.00 - $895.00
$695.00 - $895.00
Current price $695.00

Best TMIC on the market! Extreme Turbo Systems has designed a direct bolt on top mount intercooler for the 08-21 Subaru STI. This intercooler featu...

View full details

GrimmSpeed Front Mount Intercooler Bumper Bar 2015-2021 WRX/STI

Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

DESCRIPTION To help keep chassis deflection at bay and to keep any large dents out of your front fascia we’re offering the GrimmSpeed Bumper Bar as...

View full details

Process West Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI

Original price $2,031.75 - Original price $2,031.75
Original price
$2,031.75
$2,031.75 - $2,031.75
Current price $2,031.75

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

View full details

Process West Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI

Original price $2,031.75 - Original price $2,031.75
Original price
$2,031.75
$2,031.75 - $2,031.75
Current price $2,031.75

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

View full details

Perrin Oil Cooler Kit 2002-2014 WRX / 2004-2021 STI

Original price $425.00 - Original price $786.25
Original price
$425.00 - $786.25
$425.00 - $786.25
Current price $425.00

WHY YOU WANT THIS In racing conditions engine oil temperature skyrockets. This causes decreased engine performance and reduces the oil's ability to...

View full details

Perrin Front Mount Intercooler Kit 2018-2021 STI

Original price $2,479.45 - Original price $2,572.95
Original price
$2,479.45 - $2,572.95
$2,479.45 - $2,572.95
Current price $2,479.45

PERRIN Front Mount Intercooler Kits are ideal for those who want to get the most out of their turbocharged Subaru. Add power and a bold new look al...

View full details

Perrin Coolant Overflow Tank 2002-2014 WRX / 2004-2014 STI

Original price $208.25 - Original price $208.25
Original price
$208.25
$208.25 - $208.25
Current price $208.25

Replace your ugly OEM plastic coolant overflow tank with a sleek, metal PERRIN Coolant Overflow Tank! COMPACT DESIGN The PERRIN Coolant Overflow T...

View full details

COBB Tuning Silicone Radiator Hoses 2008-2014 WRX / 2008-2021 STI

Original price $110.00 - Original price $110.00
Original price
$110.00
$110.00 - $110.00
Current price $110.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION Replace your ol...

View full details

COBB Tuning Hot Pipe Kit 2015-2021 STI

Original price $435.00 - Original price $435.00
Original price
$435.00
$435.00 - $435.00
Current price $435.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

View full details

COBB Tuning Cold Pipe Kit 2015-2021 STI

Original price $435.00 - Original price $435.00
Original price
$435.00
$435.00 - $435.00
Current price $435.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

View full details

COBB Tuning Silver Front Mount Intercooler Kit 2015-2021 STI

Original price $2,225.00 - Original price $2,225.00
Original price
$2,225.00
$2,225.00 - $2,225.00
Current price $2,225.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

View full details

COBB Tuning Coolant Overflow Tank 2015-2021 WRX/STI

Original price $265.00 - Original price $265.00
Original price
$265.00
$265.00 - $265.00
Current price $265.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The OEM Coolant...

View full details

COBB Tuning Silver Front Mount Intercooler Core 2015-2021 WRX/STI

Original price $1,050.00 - Original price $1,050.00
Original price
$1,050.00
$1,050.00 - $1,050.00
Current price $1,050.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

View full details

COBB Tuning Black Front Mount Intercooler Core 2015-2021 WRX/STI

Original price $1,050.00 - Original price $1,050.00
Original price
$1,050.00
$1,050.00 - $1,050.00
Current price $1,050.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

View full details

Perrin Coolant Overflow Tank 2015-2021 WRX

Original price $198.90 - Original price $198.90
Original price
$198.90
$198.90 - $198.90
Current price $198.90

Replace your ugly OEM plastic coolant overflow tank with a sleek, metal PERRIN Coolant Overflow Tank! COMPACT DESIGN The PERRIN Coolant Overflow T...

View full details

Process West Black Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI

Original price $2,098.95 - Original price $2,098.95
Original price
$2,098.95
$2,098.95 - $2,098.95
Current price $2,098.95

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

View full details

CSF 2-Row Time Attack Race-Spec Radiator (Black) 2008-2021 WRX/STI

Original price $379.00 - Original price $379.00
Original price
$379.00
$379.00 - $379.00
Current price $379.00

SPECS: 100% all-aluminum TIG-welded construction New black finish to provide a cleaner look Includes CNC-machined mounting brackets 2-row 42mm ult...

View full details

Perrin Intercooler Core 2015-2021 WRX/STI

Original price $944.35 - Original price $944.35
Original price
$944.35
$944.35 - $944.35
Current price $944.35

Replacement Intercooler and Bumper Beam for the PERRIN Front Mount Intercooler Kits!

Perrin Front Mount Intercooler Kit 2015-2017 STI

Original price $2,184.50 - Original price $2,282.25
Original price
$2,184.50 - $2,282.25
$2,184.50 - $2,282.25
Current price $2,184.50

PERRIN Front Mount Intercooler Kits are ideal for those who want to get the most out of their turbocharged Subaru. Add power and a bold new look al...

View full details

ETS Rotated Intercooler Piping Conversion Kit 2015-2021 STI

Original price $245.00 - Original price $495.00
Original price
$245.00 - $495.00
$245.00 - $495.00
Current price $245.00

This piping kit is used to convert your stock turbo ETS FMIC kit to work with the ETS rotated turbo kit. This kit won't work on any o...

View full details

ETS Titanium Stock Turbo Piping Kit 2015-2021 STI

Original price $1,495.00 - Original price $1,575.00
Original price
$1,495.00 - $1,575.00
$1,495.00 - $1,575.00
Current price $1,495.00

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

View full details

ETS Titanium Rotated Piping Kit 2015-2021 STI

Original price $1,495.00 - Original price $1,575.00
Original price
$1,495.00 - $1,575.00
$1,495.00 - $1,575.00
Current price $1,495.00

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

View full details

ETS Stock Turbo Piping Kit 2015-2021 STI

Original price $795.00 - Original price $830.00
Original price
$795.00 - $830.00
$795.00 - $830.00
Current price $795.00

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

View full details