Just been nosing about the tinterweb and came across powerflow exhausts. reading the technical info and looking at the data (shown below) it sounds like they are much better than Miltek. Can anybody confirm this?? The figures below are taken from REVS magazine on a Saxo VTR.
Brand 'Cat' Removed Power Gain+/Loss- Torque Gain+/Loss-
Powerflow NO +4.4bhp +1.4 ft/lb
Ashley YES +4.4bhp +1.2 ft/lb
Magnex NO +3.2bhp -1.4 ft/lb
Scorpion YES +3.2bhp -0.4 ft/lb
Janspeed NO +2.9bhp -0.5 ft/lb
Devil YES +2.9bhp -0.5 ft/lb
Milltec NO +2.7bhp +1.9 ft/lb
Mongoose NO -1.4bhp +0.3 ft/lb
Brand 'Cat' Removed Power Gain+/Loss- Torque Gain+/Loss-
Powerflow NO +4.4bhp +1.4 ft/lb
Ashley YES +4.4bhp +1.2 ft/lb
Magnex NO +3.2bhp -1.4 ft/lb
Scorpion YES +3.2bhp -0.4 ft/lb
Janspeed NO +2.9bhp -0.5 ft/lb
Devil YES +2.9bhp -0.5 ft/lb
Milltec NO +2.7bhp +1.9 ft/lb
Mongoose NO -1.4bhp +0.3 ft/lb