Ignition Projects Quad Spark Ignition Coil Set 11-14 WRX / 11-21 STI / 10-12 Legacy / 11-13 Forester

Upgrade your Subaru’s ignition system with the Ignition Projects Quad Spark Ignition Coil Set, designed specifically for 2011-2014 WRX, 2011-2021 WRX STI, 2010-2012 Legacy, and 2011-2013 Forester models. This premium coil set enhances throttle response and drivability by generating powerful quad sparks at low to mid RPM, switching to a strong single spark at higher RPMs to optimize performance.

Featuring advanced Quad-spark technology built directly into the coil, it produces a 46% increase in secondary current without needing an external discharge box. This results in quicker starts, stabilized idle, and elimination of misfires. Installation is simple with a direct plug-and-play design requiring no cutting or splicing.

Ideal for Subaru enthusiasts seeking reliable performance gains and smoother engine operation, this coil set is a practical upgrade for daily drivers and performance builds alike. Enhance your Subaru’s ignition power and drive with confidence—shop the Quad Spark Ignition Coil Set at Subimods today.