from my experiences with it I would say no. Keep it safe and stay on Stage 1 until you can get it tuned by a pro.COBB AP Stage 1 +SRI 91 Octane, COBB SRI, COBB Turbo Inlet, COBB Short Throw Shifter, CORKSPORT TP, Turbosmart Dual Port Hybrid, DENSO ITV22 Iridium(1-step colder plugs), SU Rear MM, SU Shifter Spacers, SU Boost Tubes, Prosport Turbo Gauge w/ventpod Hood Stripes w/mazdaspeed logo, Painted calipers(red) w/mazdaspeed logo decals, Lamin-X tinted heads/tails + yellow fogs, Homemade Blacked out Emblems. ASA 18x8 GT1, 48 Offset w/ Sumitomo HTR Z III 235/40/18(summer set-up) Dunlop Graspic-2 215/50/17(winter set-up)