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Thinking Person
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really now? both of those cars had the same motor too...
you didnt mean jza70 and jza80 right? because that had more to do with the initial question
 

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Well, the JZA80 and JZZ30 share the same style cat, but the length of the DP is different and i think the bolt pattern for the 2jz differs from the 1jz. The JZA70 has a completely different type of downpipe that extends under the car where the JZA80 and JZZ30 ones stop. Thats on the J-spec models though, not sure about american MKIV supras
 

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Discussion Starter #7
really , i was just wondering because i found quite a few aftermarket 2jz downpipes and i figured if i cut the dp till where i need it and i could run the rest to the back @ 3inches.... but i think the 1jz is a reversed 3 bolt pattern on the dp...
 

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Thinking Person
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so i guess on a jzz30, you need the jzz30 downpipe?
 
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