Drivers can make all the cosmetic tweaks to their cars as they want. But, when real performance is the issue, you need to start with your Audi A3 spark plugs. If you want average performance, then chose average replacement Audi A3 spark plugs. We think you want more. That's why the AutoAnything warehouse is packed with performance grade Audi A3 spark plugs. These high tech A3 spark plugs pound your engine with up to one million watts of power, squeezing the most out of each cylinder. Drivers notice an immediate boost in power, response and fuel economy.