what size bore is best for xe ?

[jayme taylor]

as above,

would a gte or gsi zorst be ok ?:confused:

[16v Nova Kev]

lots of pepole use them but tbh i would use a custom 2 inch or 2 and a quarter inch. im using a modified mk3 astra gsi system for my track nova

[Rich]

aftermarket nova system is usually 2" at least would be fine