WRX STI (2004-2007) 2.5L

NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LFR6AIX (NGK93893) *** SUBARU WRX STI (2004-2007) 2.5L TURBO (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...

NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LFR6AIX-11 (NGK6619) *** SUBARU WRX STI (2004-2007) 2.5L TURBO (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...

NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LFR7AIX (NGK2309) *** SUBARU WRX STI (2004-2007) 2.5L TURBO *** ONE STEP COLDER (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...

NGK / LASER IRIDIUM / HIGH PERFORMANCE SPARK PLUGS / SILFR6A (NGK7913) *** SUBARU WRX STI (2004-2007) 2.5L TURBO *** OE REPLACEMENT (4X PIECE SET)

If your car is feeling tired, or if the engine is bucking at higher RPM's and you see a decrease in gas mileage, then it may be time to get a new set of spark plugs. These are the NGK Laser Iridium spark plug set ready to be installed into your vehicle...