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HybridZ

? flange bolt pattern size for turbo downpipe


mobythevan

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As per the down pipe I just measured in the garage(stock '81), it is roughly 3 9/16" from center to center on the bolts and those bolts are roughly 2" from center of flange. There are fairly accurate measurements made with a tape measure, but I'm sure they are suppose to be in MM.

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I bought the 3 inch collector flange. I am pretty sure I can make it fit by slotting the holes. The stock turbo downpipe is just a little larger bolt pattern than the 3inch flange. I can make it work.

 

Should be building my 3 inch exhaust system this weekend. Went ahead and ordered the pipe and mandrel bends from summit. I got the Dynomax bullet muffler.

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