im new to 1/5 scale. i am looking @ getting a pipe for my xb. i want a loud pipe that will create as much overall power as possible. i hear of people making custom pipes. so my question is what pipe will create the best power and best sound? i am a skilled welder and hav my own weld shop so custom fitting a pipe should b easy just wondering what route i should take. please hit me with suggestions, ideas, or general input. also what are good hopups to start with? my rampage is bone stock right now but i want to make a serious machine.