I've had my Kook headers, high flow cats ,xpipe and p0430 for ever. I just have to make sure the code doesn't come up during State inspection time. I have spacers for 02 sensors haven't installed them yet. This weekend sounds like a good time I hope they solve the problem.
2005 Mustang GT, p1sc1 procharger w/3 core inter cooler, 10 psi boost,, 39# fuel injectors, kook long tube headers, high flow cats, x pipe, magna flow mufflers, che lca, anti squat brackets, che tubular lateral stiffener bar, 1 piece aluminum drive shaft, che engine torque limiters, hurst shifter, A pillar boost and oil press gauges. Steeda lowering spring kit. CM delete plates. New eaton posi rear end(600rwhp), 3.73 gears. MAfia maf sensor, 470rwhp, 423ft# torque.