i have a 2004 400ex and i want to do a HMF slip on. should i get the complete exaust or should i keep the stock header and what jet should i do help me please, i just want the best results thanks.
i have a 2004 400ex and i want to do a HMF slip on. should i get the complete exaust or should i keep the stock header and what jet should i do help me please, i just want the best results thanks.
i went with the meh slip on and rode with stock head pipe and then i got a fmf powerbomb head pipe...bolts rite up and gives beter power and makes ur hmf sound a lil bit deeper which is prtty good seeing how i made mine a shorty took 5 inches off of it and now it really rumbles
full system no dout.
CRF50/88 FS.
Hey exrider49 you got a pic of the shorty?
05' 400ex
-IMS classic bumper
-Renthal bars
-Powermadd handguards
-MXR4's on the rear 19"
-1 ITP T9 rim
-55 chevy......TRUCK!