Let your car breathe freely with these easy-to-install power-adders. When the decision is made to begin modifying that fancy new (or older) car you just bought, there's a logical progression. The first and easiest way to get more power and a more aggressive sound from your vehicle is by freeing up the restrictive factory intake and exhaust systems by installing high-flowing aftermarket pieces. Easy breathing is the best way to make power, regardless of how modest or intense your intentions are, so why not start with one of the many featured products in this guide to uncork extra horsepower from your ride.