aight i put a 98 v6 accord injen short ram on my joint but the difference was that the mount did not match so the mechanic had to make a hole not too far from the original mount. he didnt use the screw that comes wit the rubber piece he used a regular screw but it keeps getting loose. what should i use on the screw so that it can stay and not keep getting loose?

 

I believe i know what spot you are talking about, where the piping goes behind the bumper, out of the engine bay, correct? Try using a nut and bolt. Thats what i did, with the rubber vibration guard, it works great, make sure to put a washer over the nut though.