Im pushing about 80 H-P on my 1200N, even at about 20nph it will break traction what would be a safe presure to drop to and still be rideble? also the pipes I installed "nitemarz" from pipe-dreamz has blown out the right shock so anyone contemplating these pipes should consider, Im not too woried,because it wont efect anything once I put the motor in a softail style frame.