Hedman Y pipe diameter?
#1
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Car: 1989 IROC-1
Engine: L98
Transmission: 700r4
Hedman Y pipe diameter?
What is the Hedman Y pipe diameter.......the Y pipe they manufacture for their shorty headers that fit 3rd gen F-bodies?
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Car: 1989 IROC-1
Engine: L98
Transmission: 700r4
I guess I really mean to ask what the diameter of the outlet side of the Y pipe is..........where the two pipes merge into one before they go into the cat....
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Car: 1989 Firebird Formula
Engine: Internal Combustion
Transmission: Completed
Axle/Gears: ones that turn.
The collectors (right off the headers) are 3"; these then neck down to something like 2¼", then it's 2½" after the 'Y' back to the converter. Hedman also supplies a 3" converter adapter, gaskets and bolts with the Y-pipe.
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#9
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Originally posted by Fbirdta878787
I heard that the hedman Y-pipe is really bad.. Can anyone please say why this is such a bad Y-pipe??
I heard that the hedman Y-pipe is really bad.. Can anyone please say why this is such a bad Y-pipe??
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