In this article, we’ll explain what a catback exhaust system is, what it does, and why it’s different from your run-of-the-mill exhaust systems. There are seemingly endless available upgrades when looking to enhance vehicle performance. It certainly rings true when it comes to your vehicle’s exhaust system. One term that you’ve probably heard if you’re in the market for an aftermarket exhaust upgrades is cat-back exhaust. What exactly does it mean, and how does it change the way your vehicle performs? This 2009 Pontiac G8 GXP is one of approximately 1,830 examples produced, and it has 16k miles.

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