2011-2014 STI Engine

Built for your 2011-2014 Subaru WRX STI, this engine collection offers a wide range of parts designed to boost performance, reliability, and response. Whether you're looking to replace worn components or upgrade for more power, you'll find everything from pistons and rods to gaskets and seals tailored for your STI’s engine.

Our selection includes high-quality aftermarket and OEM replacement parts that help improve your engine’s durability and efficiency. These upgrades are perfect for enthusiasts aiming to enhance power delivery, throttle response, and overall engine sound without compromising reliability.

Find engine blocks, camshafts, timing components, and more—all engineered to fit your 2011-2014 WRX STI perfectly. Shop engine upgrades for your Subaru WRX STI at Subimods.