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Have a C7 without the performance exhaust option. Wondering if it can be changed to performance exhaust i.e. are there some baffles or valves that can be opened/removed? If so, what's involved & will anything else need changing (motor computer diagnostics)?
 

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Please use our excellent search function to locate numerous posts regarding possible mods to the non-PPM exhaust system. Bottom line is it is expensive and can be done.
 

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I was in the same situation. Installed the Billy Boat SS and LOVE IT! While it take a bit to get used to the added noise, there is nothing like the quality sound and improved responsiveness. Downshifts on the paddles is amazing.
 

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I was in the same situation. Installed the Billy Boat SS and LOVE IT! While it take a bit to get used to the added noise, there is nothing like the quality sound and improved responsiveness. Downshifts on the paddles is amazing.
Just wondering, what was Billy Boat SS cost to install
 
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