Does anyone have any experience with a GP-178 with KS1090 pipes? What header length did you use?

Originally Posted by ghoffman

Does anyone have any experience with a GP-178 with KS1090 pipes? What header length did you use?

I can't speak to the KS pipes on the 178 but I ran re3s on mine with the DA170 headers and was just right. When I have run the 1090s on another setup I did with the Re3s it seemed to like the same length header. The 1090s made more power but the re3s had a bit better transition. I would just the DA170 headers and go from there.

Thanks, Joe Lewis at GP said the additional volume of the KS 1090 is beneficial for the GP 178. I will try it with the stock DA 170 headers and go from there thank you!
BTW I have a pair of RE3’s that are in fair shape, (they have some small dents) that I want to sell cheap. I decided not to use them because I wanted the 30 mm inlet that the KS 1090s have and honestly, I’m buying everything new.