Performance Radiators

Up to $140.60 off

In Stock

Koyo Cooling
Koyo Radiator
Fits: 08-21 WRX/STI

$42500~~$565.60~~ Save $140.60

Pay over time · Est. $13.28/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $44.05 off

In Stock

Mishimoto
Performance Aluminum Radiator
Fits: 15-21 WRX

Only 7 left

$44395~~$488.00~~ Save $44.05

Pay over time · Est. $13.87/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $41.05 off

In Stock

Mishimoto
X-Line Aluminum Radiator
Fits: 08-14 WRX, 08-21 STI

Only 5 left

$40995~~$451.00~~ Save $41.05

Pay over time · Est. $12.81/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $56 off

In Stock

CSF
08-15 Subaru Impreza WRX/STI 2-Row Race-Spec Radiator

Only 18 left

$74900~~$805.00~~ Save $56

Pay over time · Est. $23.41/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $148 off

In Stock

Koyo Cooling
Koyo Aluminum Radiator
Fits: 04-08 Forester XT M/T

Only 8 left

$44700~~$595.00~~ Save $148

Pay over time · Est. $13.97/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $117.20 off

In Stock

Koyo Cooling
Koyo Aluminum Radiator | VH060650
Fits: 99-05 Mazda Miata M/T

Only 16 left

$35300~~$470.20~~ Save $117.20

Pay over time · Est. $11.03/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $127.20 off

In Stock

Koyo Cooling
Koyo Aluminum Racing Radiator | 2008-2015 Mitsubishi Evo X | V2979

Only 8 left

$38400~~$511.20~~ Save $127.20

Pay over time · Est. $12.00/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $34 off

In Stock

CSF
Radiator | 7092
Fits: 05-15 Toyota Tacoma

Only 13 left

$64500~~$679.00~~ Save $34

Pay over time · Est. $20.16/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
CSF
95-98 Acura TL 2.5L OEM Plastic Radiator

$5966
Up to $10 off

In Stock

CSF
Universal Drag Race / Tuck Radiator w/9in Spal Fan - 10.5in H x 10in L x 3.6in W

Only 6 left

$56900~~$579.00~~ Save $10

Pay over time · Est. $17.78/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $44 off

CSF
5.7L Radiator
Fits: 07-19 Toyota Tundra

$59500~~$639.00~~ Save $44

Pay over time · Est. $18.59/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $24 off

CSF
00-10 Honda S2000 Radiator

$47500~~$499.00~~ Save $24

Pay over time · Est. $14.84/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $12.95 off

CSF
92-96 Honda Prelude Si Radiator

$24605~~$259.00~~ Save $12.95
Up to $350 off

Private Label MFG
PLM Private Label Mfg. Power Driven Compact Drag Radiator - Small | PLM-RD-SM

$34900~~$699.00~~ Save $350
In Stock

Megan Racing
Aluminum Radiator WRX/STI 2002-2007 | MR-RT-SI04ST

Only 5 left

$27000

Pay over time · Est. $8.44/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
Up to $131.60 off

In Stock

Koyo Cooling
Koyo Aluminum Radiator Subaru Impreza M/T 1993-1998 | VH090632

Only 10 left

$39700~~$528.60~~ Save $131.60

Pay over time · Est. $12.41/payment

ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

What is the best performance radiator for my build? For a street-driven car that sees hard driving, a full-aluminum radiator with a core at least as large as stock — from Koyo, Mishimoto, or CSF — keeps coolant temperatures stable where a heat-cycled plastic-end-tank unit starts to struggle. For track use or higher-output turbo builds, step up to a thicker, multi-row race-spec core with upgraded fans. Always confirm transmission fitment first: some radiator applications are built specifically for manual-transmission cars.

Your radiator is the heart of the cooling system, and the stock unit is a wear item. Factory plastic end tanks get brittle with years of heat cycles and can crack without warning, while aftermarket performance radiators use TIG-welded aluminum end tanks and larger cores to move more heat out of the coolant. Shoppers in this collection gravitate toward Koyo aluminum radiators for direct-fit OE-style upgrades, Mishimoto performance and X-Line aluminum radiators for thicker-core options, and CSF race-spec radiators for track-oriented builds.

Popular examples include the Koyo radiator for 08-21 WRX/STI (manual transmission) and the Mishimoto performance aluminum radiator for 15-21 WRX. For the rest of your cooling system, see our Cooling, Performance Intercoolers, and Performance Oil Coolers collections, and read why an intercooler kit is worth the upgrade to understand the full heat-management picture on a turbo car.

Do automatic and manual transmission cars use the same radiator?

Not always. Some radiators include an integrated transmission cooler for automatics, while others — like the Koyo 08-21 WRX/STI unit sampled here — are built specifically for manual-transmission cars. Check the product's fitment notes and confirm your transmission type before ordering.

Can I reuse my stock fans and shroud?

Often, yes — many direct-fit aluminum radiators are designed around the factory fan and shroud mounting points. Thicker race-spec cores sometimes need slim fans, so check each product's notes for your application.

Does a radiator upgrade require a tune?

No. A radiator is a cooling-system component, not an engine-management change. Swap it, refill and bleed the cooling system properly, and you're done.

How do I know my radiator is failing?

Common signs are rising coolant temperatures under load, visible coolant seepage around the end tanks, and low coolant with no obvious hose leak. If your car runs hotter than it used to, don't wait for a roadside overheat — check your year and model and replace it proactively.