FACTORY EFFEX Seat Foam - Height - Stock | Hardness - Stock - KX 450 22-20138 PowrFlo Air Intake Creates a deep rumble that

Creates a deep rumble that improves the sound but keeps the noise down

5-inches This muffler is a direct replacement for the quiet and bulky stock muffler In order to get that aggressive sound that you've been wanting

Cobra modified their PowerPort by enlarging it to become a pulse chamber that accelerates exhaust scavenging to produce the kind of power riders expect The round shape

A perfect airtight sealing and trouble free filter installation for the user is guaranteed by using a high quality EVA seal

FACTORY EFFEX Seat Foam - Height - Stock | Hardness - Stock - KX 450 22-20138 PowrFlo Air Intake Creates a deep rumble thatFoam hardness stiffness has been tested and manufactured to the specifications of our factory riders Exact fit, high quality replacement seat foam