Motorcross poo poo is poo poo

Discussion in 'Performance Mods' started by silvertop, Jan 3, 2017.

  1. silvertop

    silvertop New Member

    This pipe is terrible....I want to cut the muffler off until I build a expansion chamber
     

    <
  2. Street Ryderz

    Street Ryderz Well-Known Member

    Yes it's not good but the muffler is actually the only part that does work well! the flex hose is the problem the I.D of the fittings is way to small not letting the exhaust flow thru at usable rate!
     
  3. silvertop

    silvertop New Member

    Yup supa restrictive too long....
     
  4. silvertop

    silvertop New Member

    Any luck opening it up...gone put her on the pipe eventually but am building a miata engine right now
     
  5. Street Ryderz

    Street Ryderz Well-Known Member

    I cut the fittings off at both ends and tried to hog them out!but they only opened to 9/16 still to small!
     
    silvertop likes this.