I have an Ividia catless up/dp pipes on my 05. Fit great.
I'm going to have a local shop make up a mid-pipe and axle back with Magna Flow knocks offs for the wagon soon.
I'll do a Invidia DP on the Spec B this spring. Will most likely do the same exhaust on it too.
175,000+ miles, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. Also CHECK YOUR OIL, these cars use it.