matth76

I've seen some resonated test pipes on Ebay. I know, quality is questionable, but they have advertised the bore as 60mm (2.36") - my question is is this the usual size bore that test pipes or high flow cats would be so they mate up correctly with the Y-pipe? I've searched for an answer but can't find any info on the bore size.

Thanks guys for any help and info.

davidv

iTrader: (2)

60 mm is good. The end of the exhaust manifold is about 60 mm. It will match just fine.

CORNELL

iTrader: (3)

https://my350z.com/forum/intake-exha...k-for-n-a.html
read post 15 it is all you need to know about exhaust diameter but as for quality that is up to your $$$

Z1 Performance

iTrader: (564)

it depends on the Y pipe it's being mated to, assuming you're using the stock manifold