Subaru EJ25 Performance Engine Parts

Shop performance and replacement parts for the Subaru EJ25 engine (2.5L boxer 4-cylinder, turbo and non-turbo), found in the Subaru WRX, WRX STI, Forester XT and Legacy GT. Browse engine, turbo and intake upgrades, exhaust, clutches, fuel, ignition, cooling, mounts and more from top aftermarket brands.

Confirm fitment for your exact year, model and trim on each product page before ordering.

Subaru EJ25 FAQ (4 questions)

What cars use the Subaru EJ25 engine?

The Subaru EJ25 (2.5L boxer 4-cylinder, turbo and non-turbo) is found in the Subaru WRX, WRX STI, Forester XT and Legacy GT. Always check the year, model and trim fitment table on each product page.

What are the most popular EJ25 upgrades?

Popular EJ25 upgrades include turbos, intercoolers, up-pipes and downpipes, fuel injectors and pumps, head studs and gaskets, pistons and rods, and clutches. Browse every category for the Subaru EJ25 using the category list on this page.

How do I make sure a part fits my EJ25?

Every part on this page is listed by the manufacturer for the Subaru EJ25. Check the fitment table on the product page and match the manufacturer part number. Save your engine with the engine selector to see a “Fits your Subaru EJ25” badge on parts, or use Ask an expert if you’re unsure.

How fast do EJ25 parts ship?

In-stock parts ordered before 2:30pm Pacific ship the next business day, and Friday orders placed before noon ship the same day. Special-order parts ship from the manufacturer; use Request ETA on the product page for a date.