Reviewed By Mohamed E (Doha, Qatar) Reviewed for a 2009 Chevy Trailblazer —6/27/2014 2:31 AM
I can feel the difference between the stock one and pulstar
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Do performance spark plugs really boost horsepower and MPGs? They sure do. Find out just how they work to deliver the results you’ve been looking for, and discover the best brands available for improving the ignition system of your vehicle.
There are so many different car and engine parts, it’s nearly impossible to keep track of what each one does. And, unless you’re a mechanic, you don’t really need to. But, when you have to spend your hard-earned money (and usually lots of it) to replace these parts, sometimes it’s nice to know what they do. I mean, do you really need ignition coils? Well, unfortunately, the answer is yes. But, after reading this quick summary of how ignition coils work, hopefully you’ll have a better understanding of ignition coils and their importance in your commute.