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FI exhaust manafold down pipe runners 140-160

Hi,
From reading a previous post I am now wondering if the exhaust downpipe runners on a '73 and '74 fuel injected car are the same diamater. I thought they were. Perhaps the original equipment ones were different but the aftermarket replacements are all the same.
Anyone out there have the low down on exhaust pipe runners?
I have just welded in four inch extensions to the ones I have just for fun. I will post any noticeable changes in performance once I have them in the car.
Thanks.
-Ted
'74 144GL
'59 PV 445






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New FI exhaust manafold down pipe runners [140-160]
posted by  TedR  on Fri May 6 05:01 CST 2005 >


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