i have a 95 na, i upgrated the turbonetic. the pipe that comes from the egine and goes down i have that, there is another pipe that starts from there and ends in the middle i dont have it and it is factory the rest is all custom. i was gonna say what do you call it and where i can get a custom one. i have the cat back, the only pipe that is factory is the middle pipe that have the cathalic converter. how can i get the custom one that is for racing. please help me. thank you.