need from the Cat (connects to the downpipe) to the muffer need one for a s13 lmk... text 706-340-5526 or any other exhaust system that is not to loud.. i already have a custom straight pipe all the way down but it's way to loud and i don't like it so getting rid of it just want stock or can be aftermarket with hangers etc. don't want any ghetto stuff thats going to vibrate my car. if aftermarket i want just a decent sound maybe just a little louder than stock. don't want no straight pipes... if you have a stock and you wanna trade for a straight pipe then just lmk i can do that also.