pipe?

[J25]

i was wondering wht pipe would you guys recomend for a 400ex...... not sumthin to loud and toexspensive....... i was considering a white bros e series slip on???? and is there a way to adjust the compresion on the resivor on a stock 2001 400ex

[400exJOE]

hey bud, I wrote 2 private messages to ya. Cheack em out and get back to me about the resivoir. Maybe I could help.