So far we have unlocked 80+hp with these Pipes using +4, +5 and +7mm stroker cranks with our Ported Cylinder mods.  You can do this too!
 
Available in: RAW WORKS FINISH.
ADD $300 FOR CERAMIC COAT BLACK OR CERAMIC COAT SILVER.
Comes with Newest Billet Silencer. Easy to rebuild to have a new Modern 2-stroke look.