Can a catback exhaust actually make your car faster?

Engineering Explained examines a catback exhaust systemFinding the aftermarket modifications that will make your car a better performer can be an adventure. Every company under the sun claims all sorts of horsepower, torque, and efficiency gains, but do those claims actually prove out in the real world? Not always. However, some mods will help improve the performance of your car. One of those is a...

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