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Whether you want to support our brand (thank you
perfect for today’s high-tech
The X500+ will support over 500whp with proper supporting mods
5 WRX/STI making over 280 whp
it truly is a bolt-on unit
Subaru NGK One Step Colder Spark Plugs (2008-2014 WRX / 2004+ STI) (Qty 4) 2015-2021 Whether you want to supportOne of our best selling items, Subaru One Step Colder Spark plugs are one of the best items you can add to your 2004+ STI or 2008 2014 WRX. A simple, and effective modification that gives you peace of mind. Turbo cars require stronger spark and these are a great idea to add to any part install or before tuning. Poor condition spark plugs can cause misfires especially when boosting, which destroys performance. Comes in set of 4 For Models: 2004+ STI
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