Subaru OEM Piston Rings 99.50mm 08-21 STI | 12033AC000 IS300_2001-2005 no perceived difference in durability

no perceived difference in durability for the average customer

(1) Billet Aluminum MAF Housing (Anodized Black)

The additional cooling will significantly reduce brake fade and rotor wear

Part #: DD1041P

All APR Side Rocker Extensions are made in carbon fiber composites for lightweight and high strength

Subaru OEM Piston Rings 99.50mm 08-21 STI | 12033AC000 IS300_2001-2005 no perceived difference in durabilityProduct Fitment: 2008 2021 STI This is a replacement set of genuine Subaru OEM Piston Rings 99. 50mm. Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a WRX at your friends shop, do not expect a warranty claim to come through if it explodes! Please use your best judgement.