piperx for 172 up to 10bhp
exhaust kt2 pipe, help get induction kit and power to 10bhp
superchip 10bhp
new sports cat 8bhp max
total 28bhp, so 172 would be 200bhp or there abouts
all for £1175.38 how realistic are those figures. i would only expect 15bhp max for all that stuff