2510's are 'old hat'. Maybe 330rwkw.
You'd you'd say Garrett -9s (aka GT-SS) would be the same ballpark. -9s being the newer tech and essentially a replacement for the HKS2510.
-5s are around a 380rwkw.
2530s are bigger than -5s & will do 400-420rwkw.
All turbos requiring more than 20psi on a 2.6ltr to achieve those power targets on pump fuel with reasonably aggressive tunes.
400rwkw and 'responsive' simply do not go into the same sentence unless you are running a 3.4ltr stroker.
Given there are more than enough threads on GT30, GT35, 2530 & -5s... Go do some reading, all the above info is basically a summary of what you can find in the first 5 pages of this section. Need more info, search
Closed.