i want to put a header on but the tails on the headers are longer than stock . do they make one that is a direct bolt on to the cat or do i have to replace the whole exshaust system

 

i used a Pacesetter headder on my DOHC and all i had to do was cut a short section off the cat and slip on the supplied flange. worked pretty good. but you can get more HP out of a longtube headder with the DOHC. if you have a SOHC your golden