i just got a 99 warrior.it has an 04 motor with a fmf megamax2 exhaust on it and its crazy loud.the end cap/tailpipe or whatever its called is not there.it has 6 screw holes.if that piece is missing what else would be missing along with it?i cant afford another exhaust and i want to make it a lot quieter.should i repack it while im at it?

 

Find screws that thread into the holes. Find a thin piece of tubing that will slide in and has a smaller inner diameter and weld it to a plate that bolts on. Maybe put a turndown on the end too. The smaller you make your quiet core the quieter itll be but the less itll flow