hello guna take my cat off my escort 1997 mk6 1.8 si guna make up a strait pipe so i can change it for when the mot due and stuff but was wonderin is there any sencors in there or anyfin like airflow etc and is there anyway anyone will no i havent got a catt without checking etc or any other probs you can think of coz to me it seems an easy way to get bout 5 to 10 break...