Automotive enthusiasts, listen up: if you want to get the best performance out of your ride, this upgrade kit is a must-have .Through trial and error, I found that this kit significantly increases horsepower without sacrificing fuel efficiency. It's easy to install too, making it a great option for any DIYer. THE only downside is that it's a bit pricey, but if you're serious about your car's power output, it's worth the investment..See full review