wtb: hmf slip on or full system

[darkstar]

I am looking for a hmf slip on or full system for a 400ex. Any color i dont care. have cash in and to send in money order or paypal

[sprtrx300ex]

I have a White Brothers R-4 slip on in great condition. Its not an HMF, but it gives alot of torque, nice sound, and power... Let me know

$170