l67ss Posted May 6, 2014 Report Share Posted May 6, 2014 Like title says, what size is a stock downpipe on a 98 z34? Thanks Quote Link to comment Share on other sites More sharing options...
Nas Escobar Posted May 6, 2014 Report Share Posted May 6, 2014 Wouldn't it be the same as any other L67 that was placed in a W? Quote Link to comment Share on other sites More sharing options...
l67ss Posted May 6, 2014 Author Report Share Posted May 6, 2014 Wouldn't it be the same as any other L67 that was placed in a W? Figured id mention donor car just in case Quote Link to comment Share on other sites More sharing options...
Nas Escobar Posted May 6, 2014 Report Share Posted May 6, 2014 I would be surprised if a Z34 had a different dp than a GTP. Then again, it's happened before... Quote Link to comment Share on other sites More sharing options...
l67ss Posted May 6, 2014 Author Report Share Posted May 6, 2014 I need the size so I can get a reducer for my exhaust Quote Link to comment Share on other sites More sharing options...
l67ss Posted May 7, 2014 Author Report Share Posted May 7, 2014 Bump Quote Link to comment Share on other sites More sharing options...
95 vert Posted May 7, 2014 Report Share Posted May 7, 2014 Pretty sure it's 2 1/2 Quote Link to comment Share on other sites More sharing options...
Psych0matt Posted May 7, 2014 Report Share Posted May 7, 2014 Pretty sure it's 2 1/2 I want to say this is correct Quote Link to comment Share on other sites More sharing options...
l67ss Posted May 27, 2014 Author Report Share Posted May 27, 2014 Ended up being closer to 3" Quote Link to comment Share on other sites More sharing options...
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