Mine was running the following

Brand new ford crate engine
K&n cone air filter with direct cold air feed from a modified morettes, battery relocated to the boot to aid air flow.
Custom maf from the US
Full stainless air pipe from maf to throttle body
75mm mustang throttle body,
Uim honed to suit throttle body and polished
Lim polished
Msds headers
Custom stainless y pipe
Custom exhaust with removable decat. Needed this to pass the mot
Magnecor racing leads

And was running at a safe 243bhp.

Big figures are very difficult on obtain.