exhaust diamiter

  1. #1
    whats the best size for more power and a nice sound?
  2. #2
    3" imo
  3. #3
    2" - 3"
  4. #4
    cheers thanks for the help guys
  5. #5
    the end tip on the backbox doesn't gain you power..

    the rest of it does and 50mm diameter is about right - straight through with mandrel bends