Tomei Racing Valve Set FA20DIT Subaru WRX 2015-2021 | TA303A-SB04A daily-deal-active Adds 10 whp WITHOUT re-tuning

Adds 10 whp WITHOUT re-tuning the ECU

To solve this problem

You can avoid all of this by getting the Morimoto RetroRubber Butyl Sealant

Anodized black billet aluminum clamp used for securing -6AN hoses

EBC Redstuff Front Brake Pads

Tomei Racing Valve Set FA20DIT Subaru WRX 2015-2021 | TA303A-SB04A daily-deal-active Adds 10 whp WITHOUT re-tuningTomei Racing Valve Set tailored for the Subaru WRX featuring the FA20DIT engine, meticulously crafted to optimize performance and durability. Features: Oversized head diameter is designed specifically for each application, significantly improving the flow rate Waisted stem allows a greater volume of air gases to enter and exit the combustion chamber as the valve extends Designed and precision machined specifically for the intended engine application