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i know the differences. performance filter to me means not the standard air box.
what i was basically saying was: is there a benifit in fitting the 190 cams in to the 180 and having is remapped to suit. would there be a bhp gain, torque gain or just a waste of money
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Astra GSi turbo
Regal Autosport Astra GSI Turbo 304 bhp 356 lb/ft
Thorney motorsport Vectra vxr 305bhp 398lbft
Now its time to build a big turbo MG ZS
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