@ ThunderStorm
npz bro,no they dnt have any bad effect on da engine,i have a exaust in my car,all it does is increase up ur sound,n a muffler is da outer mouth of da exaust and da silincer is da part which is berhind da muffler,i have a 5inch exaust in my car,i cnt find da pix 2 show u
the exaust in da pic is a performance exaust,this 1 is fittied in da evo8,