V5 LED

iTrader: (1)

Thinking of changing the prodrive exhaust on my02 wrx, its fitted with the prodrive pack and was wondering if i was to fit a Ninja Rear backbox from scoobyworld would i suffer performance loss????

Advice appreciated

s70rjw

iTrader: (2)

Any difference, either way, would be negligible. Changing the downipipe and centre section releases the power