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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

pipe between the cats

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Old Oct 14, 2015 | 08:26 AM
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blue924.9
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pipe between the cats

anyone know what size the exhaust pipe is between the first cat and the second cat? exhaust is rusted and rattles bad so it needs replaced, i am going to keep the first cat since it is a pretty decent y pipe, removed the second cat replace it with a high flow one from jegs and run pipe to a flowmaster super 44. i would cut the pipe and check what size it is but i already cut the exhaust off 6 inches after the second factory cat and it sounds like crap and lets fumes in the cab. being my daily driver i really dont want to cut it any shorter to check what size the pipe is. thanks

92 f150 2wd and 4.9
 
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Old Oct 14, 2015 | 05:04 PM
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Willz74
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Mine is just over 2.5
 
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