Water And Meth Injection Kits

Enhance the performance of your Subaru WRX or WRX STI with our selection of water and methanol injection kits, built to fit your model perfectly. These kits are designed to boost power, improve throttle response, and help manage engine temperatures under demanding conditions. Whether you're pushing your engine hard on the track or looking for reliable upgrades for daily driving, these injection systems provide a smart way to optimize performance and protect your turbocharged engine.

In this collection, you’ll find complete kits, pumps, nozzles, controllers, and all the necessary components to install or upgrade your water/meth injection setup. Our carefully curated parts come from trusted brands known for quality and durability, ensuring your Subaru runs cooler and stronger.

• Complete water/meth injection kits
• Replacement pumps and nozzles
• Control units and wiring harnesses
• Installation accessories and fittings

Shop water and meth injection upgrades for your Subaru WRX and STI at Subimods.