i got one of those round exaust headers. Its shorter so i drill a whole. Ive had it for a while but lately the pipe keeps sliding off the header. Not completely, but enough for me to loose power and the car stops bogging. Is there anything i can use to tighten it up a bit. all im doing now is just puting one of those smaller rubber inserts around it, then putting the rubber connector over it and pulling a zip tie as tight as i can. Doesnt seem to hold as good. Itll stay if i run smoothly but i like to jump anything i see!