offset or not offset? that is the question! - Pontiac GTO Forum
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post #1 of 1 (permalink) Old 08-29-2017, 01:42 AM Thread Starter
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offset or not offset? that is the question!

I will change soon my mufflers on my 65 gto ; I had written another post regarding diameters but now, I'm even more confused!
when I search correspondances in OEM sites, Flowmaster recommand 4X9" oval, 14" length with offset/offset in/out but Magnaflow
recommand the same sizes but offset/center alignment! so , at the end of the day, what should be the proper configuration?
because I see that the tail pipe is very close from others parts under the carriage and there is no much room for playing;
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Exhaust, Suspension, Alignment, Fuel Tank and Brakes.

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