HKS External racing wastegate piping

1&onlygti-r

Member
I have a hks s/s racing wastegate, there are 2 nipples on them one on top the other on the side, were do these to vacum pipes goto.
 
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R-Type

Member
The top nipple should go to your boost controller solonoid & the lower nipple to a boost pressure source.
 

1&onlygti-r

Member
The top nipple should go to your boost controller solonoid & the lower nipple to a boost pressure source.

ie the boost pressure source (any vacume pipe is that correct)
 
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