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-   -   1999 z34 new downpipe, need help (https://montecarloforum.com/forum/headers-intake-exhaust-13/1999-z34-new-downpipe-need-help-48791/)

z34phantom 05-14-2014 10:55 AM

1999 z34 new downpipe, need help
 
So I bought a downpipe for 200$ from zzperformance, I figured since my 99 z34 has a 3800 series II, the downpipe would bolt right up. No, the end flange has 4 bolts and the stock downpipe has 2... I figured if I bought the rest of the exhaust from end of down pipe to the tips, I could hang the exhaust up and it'll bolt up so I can weld it with no trouble..... Anyone do this? or have knowledge that I'll have to make custom hangers for the rest of the exhaust? Bum'd out I have a big hunk of 200$ metal sitting in my garage, ready to sell it

ChibiBlackSheep 05-14-2014 11:01 AM

You have a Generation 1.5 w-body, those downpipes are for the generation 2 w-body.

It might not fit even if you finished the exhaust.

BlownUptoHigh 05-15-2014 01:46 PM


Originally Posted by z34phantom (Post 613456)
So I bought a downpipe for 200$ from zzperformance, I figured since my 99 z34 has a 3800 series II, the downpipe would bolt right up. No, the end flange has 4 bolts and the stock downpipe has 2... I figured if I bought the rest of the exhaust from end of down pipe to the tips, I could hang the exhaust up and it'll bolt up so I can weld it with no trouble..... Anyone do this? or have knowledge that I'll have to make custom hangers for the rest of the exhaust? Bum'd out I have a big hunk of 200$ metal sitting in my garage, ready to sell it

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