i have installed few systems and even on cossi and the engine is runing beter than the O.E.M system
the cossi spec is :
low comp 7.2:1
std head and cams
T3/4 with 0.70 A/R
600cc injectors
ARP studs
GRP A headgasket
and 2.2bar of boost

not easy to tune and install but it can be done if reading the manual