NGK Iridium Spark Plugs WRX / STI Variations:NGK One Step Colder Iridium Spark Plug STI (2004-2014) WRX (2006-2014) LGT (2005-2009) Thanks to its SUPPLY mode

Thanks to its SUPPLY mode the battery charger provides power even without a battery

The FX300 is an excellent clutch for the roadster that is driven aggressively every day

Allowing the most efficient transmission of all available power to the ground

These Rally Armor urethane (UR) mud flaps for the 2011-2014 Subaru WRX and STI Sedan feature a black flap with silver logo and are crafted from premium polyurethane

Recommended Adjustments for Optimal Ride-ability

NGK Iridium Spark Plugs WRX / STI Variations:NGK One Step Colder Iridium Spark Plug STI (2004-2014) WRX (2006-2014) LGT (2005-2009) Thanks to its SUPPLY modeMore Durability and a Higher Melting Point compared to Platinum, better center electrode anti oxidation and anti erosion, improved ignition, superior anti fouling, lower required voltage, new metal shell plating process for better anti corrosion. One Step Colder plugs are reccomended for cars with heavy modifications. These NGK plugs will get your Turbo Subaru running smoother and free up some power through increased efficiency and increased heat