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#13
02-20-2023, 03:10 PM
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----I have a complete Pypes set-up on my 69 Grand Prix. I'm not absolutely sure but it seems like most 69 GM cars (performance or not) came with 2 1/4 diameter exhaust. I was already going to use HO exhaust manifolds on my SJ and it just seemed like I should go with a 2 1/2 Pypes set-up. I agree with the sound. Not obtrusive driving normally, yet great sounding with my foot in it. As a bonus, the set received fit really well!....Bill S
Last edited by olredalert; 02-20-2023 at 08:51 PM. 
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