Mishimoto Ignition Coil Set of 4 Subaru STI 2011-2021 / WRX 2011-2014 | MMIG-STI-1104

Fitment: 2011 - 2021 Subaru STI and 2011 - 2014 Subaru WRX. Mishimoto presents top - notch replacement ignition coils. These coils enhance engine startup and idle, and bring back your Subaru's peak performance, meeting or surpassing OEM specs. Features: Sold in a set of 4. They optimize engine functions and refresh the ignition system for both stock and modified vehicles. The durable rubber boot guards against moisture, oil, and debris. The high - quality phenolic resin outer shell lasts long in high - temp settings. Pre - lubricated boots with dielectric grease offer excellent corrosion resistance. Backed by Mishimoto's Lifetime Warranty.

Using these ignition coils is easy. First, make sure your engine is cool. Remove the old ignition coils from your 2011 - 2021 Subaru STI or 2011 - 2014 WRX. Then, carefully install the new Mishimoto ignition coils in their place. Be gentle with the rubber boots to avoid any damage. When it comes to maintenance, there's not much to do. But it's a good idea to check the coils occasionally for any signs of wear or damage. If you notice any issues, like a weak spark or rough idle, you might need to have them inspected. Also, keep the engine area clean to prevent debris from getting into the coils. And remember, these coils come with a lifetime warranty, so you're covered if anything goes wrong.