yeah do it mate. My exhaust system rocks. you feel the car breath better when you replace it with an aftermarket one. Quicker, good gains but not too sure of an exact bhp
GGR is good. Keeps the heat from the engine off the k&n, sounds really good but hard to fit and clean lol

Do some performance mods yeah

you wont regret it

...it puts a bigger smile on your face that you already get from driving an

