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Hi I got a stupid question and need some ideas. I have a 66 Bonneville convertible with 72 GTO 400. I want to have a complete exhaust so it's quiet enough to drive in town and cruise but would like to tie in lake pipes or a way to bypass the exhaust completely and run straight pipes for added top end power any suggestions?
 

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Not sure about the full size cars, but I know for A-body's like the GTO the aftermarket has exhaust systems with a center X pipe section that also has extensions with block off plates that can be opened up... or you can do like I did and remove the plates and add a pair of electric cutouts for open exhaust on demand :)

Bear
 
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