Originally Posted by jwick

The dark blue is my torque curve and the lighter blue is the GTM TT Stage 2 kit. My HP curve is the brown and his is the red. Both cars tuned by the same tuner, same dyno, both at the limit my tuner feels comfortable on a stock block. You can easily see Sasha's Single Twin Scroll dominates the GTM kit through almost all of the power band.

Note - the dyno is an old Mustang dyno and would add 15-20% for typical Dynojet numbers.