Id say, Decat + good air filter + stage 2 remap = 210-215bhp
But then the clutch 'might' need uprating
Dad secretly did this to my mum's GT170 for a few track days and the output was outstanding, the amount of extra torque was unbelievable.
99 1.6SR , R32 Front Bumper, LCR Splitter, Smoothed Anni rear valance, Milttek Cat Back Exhaust, Pipercross Ram air Induction kit, 1.8T MAF Kit, 1.8T Brake Upgrade, RS8 Wheels, Twin indicator mod, KW Variant 2 Coilovers.