can a 3 in intermediate pipe flane be connected to a 2.5 in cat flange?
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Joined: Oct 2001
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From: Fort Belvoir, VA USA
Car: 94 Camaro
Engine: 3.4L
Transmission: 4l60e
can a 3 in intermediate pipe flane be connected to a 2.5 in cat flange?
can a 3 in intermediate pipe flane be connected to a 2.5 in cat flange?
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 1,676
Likes: 0
From: Fort Belvoir, VA USA
Car: 94 Camaro
Engine: 3.4L
Transmission: 4l60e
still need to know this...just got a Catco 2.5 in Direct fit Cat...So upgrading to a different Cat is out of the question...
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Joined: Mar 2001
Posts: 1,818
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From: Dixon, IL
Car: RS
Engine: 305
Transmission: 4L60
Axle/Gears: 3.42
you have to find a way to cut off part of the 3" pipe and have a 2 1/2 flange welded up to it so that the two 2 1/2s bolt up, this is what my edelbrock looks like
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