Subaru WRX Parts

The top brands MOTORMIA owners trust for Subaru WRX builds are EBC, Mishimoto, PowerStop, Whiteline, and HKS. The catalog carries 4,393 parts that fit the WRX. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.

The most-modified WRX trims are STI (especially GD/GR/GV). These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the WRX's engine family (EJ20, EJ25, FA20DIT, FA24) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.

For most Subaru WRX builds, the recommended modification order is: ECU tune → intake → downpipe → turbo upgrade → fuel system. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Subaru WRX builds at every power level.

The Subaru WRX is the rally-bred boxer-turbo AWD platform with the deepest engine-management ecosystem. On MOTORMIA, 4,393 parts fit the WRX across 5,000+ active member builds, with an average part MSRP of $878. The decision usually comes down to which platform you own — both have full bolt-on catalogs.

Not always. The Subaru WRX has had multiple generations and engine changes (e.g., EJ20, EJ25, FA20DIT, FA24), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the WRX a part fits. Use the fitment selector at the top of any page to pre-filter to your build.

Yes. Most Subaru WRX parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.