997 Exhaust There are several good reasons to add an aftermarket exhaust system. One of the most noticeable is the subtle, but distinctly aggressive, change in exhaust note. Many of the better systems are only slightly louder than your stock exhaust at idle, but they deepen to a low growl during acceleration. The current exhaust systems your Porsche 997 (2005-2008) has does not provide as much horsepower and torque you’d like. Many times car manufactures choose the lease expensive alternative when it comes to choosing exhaust systems to your vehicle. Replace your current exhaust system with ours. We have the best selection here at Trinity Autosport.

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