Ah, very valuable info there then! I was assuming it was one size fits all.

 

yes they will improve on the std pipe

 

Hi guys

I was lucky enough to have Harvey work his magic on the old girl and I have his ported headers and up pipe on there, but on my new JDM STI Blobeye the twinscroll headers and up pipe are standard I believe.

The car has a SC46 tubby, can I realistically get any benefit from another Harvey up pipe? No idea what options there even are regarding the headers, if worth changing...

Thanks.

 

I dont think harvey did a twin scroll uppipe.

 

...Also, the OEM T.S. headers/uppipe are considered the best available anyhow.

 

Thanks guys, takes care of that then!