Mishimoto 04-10 Subaru WRX/STI Ignition Coil - 4-Pack NO-DISCOUNT A rear diffuser made of

A rear diffuser made of FRP

offering a significant internal capacity increase of 20%

Mishimoto MMAF-3005S

JE Pistons BBC

HY3-HDR4 kit features ACT's most popular Heavy Duty pressure plate

Mishimoto 04-10 Subaru WRX/STI Ignition Coil - 4-Pack NO-DISCOUNT A rear diffuser made ofManufacturer Part # : MMIG WRX 0404 Market Description The basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing your engine's power, it's wise to ensure all maintenance is up to date and these processes are performing as intended. A weak spark from your ignition system can result in misfiring, rough idling, poor gas mileage, and damage to your catalytic converter, all of which hinder performance.