pwmin Posted December 28, 2010 Report Share Posted December 28, 2010 Anyone know what size the piping is or use it? Part number 23405; can't find the size anywhere. http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Catalytic-Converter-MagnaFlow_22316881-P_145_R|GRPEXHAAMS_867097327___ Quote Link to comment Share on other sites More sharing options...
Brian P Posted December 29, 2010 Report Share Posted December 29, 2010 (edited) Good luck... I talked with Magnaflow direct and they couldn't tell me anything other than "it's the same specs as OEM" EDIT: Make that "Walker" Edited December 29, 2010 by Brian P Quote Link to comment Share on other sites More sharing options...
Crazy K Posted December 29, 2010 Report Share Posted December 29, 2010 this for the 1997+ rear manifolds? I'd like to get a downpipe only... Quote Link to comment Share on other sites More sharing options...
pwmin Posted December 29, 2010 Author Report Share Posted December 29, 2010 Good luck... I talked with Magnaflow direct and they couldn't tell me anything other than "it's the same specs as OEM" EDIT: Make that "Walker" This one is just a little cheaper than pretty much the same thing in 3" from ZZP, but IDK it it's 2 1/4 or 2 1/2 this for the 1997+ rear manifolds? I'd like to get a downpipe only... yeah plus it's cheaper than the Walker and has a high-flow cat Quote Link to comment Share on other sites More sharing options...
Brian P Posted December 30, 2010 Report Share Posted December 30, 2010 This may help http://www.grandprixforums.net/sold-2-5-down-pipe-stock-cat-magnaflow-23405-brand-new-145-lowered-135-ships-obo-36634.html Quote Link to comment Share on other sites More sharing options...
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