As a general rule, a decent S2 tune shouldn't create any issue that wasn't already there to show itself. For example, if the motor was already on its...
EJ257/205 Hybrid, CP Pistons, ARP Headstuds, PnP Heads, TD06H-20G, Cobb Accessport V2, Prodrive 3-Port BCS, PnP Throttlebody, Grimmspeed TGV Deletes, Scoobysport TBE, SBR EWG Up-pipe w/ Tial 38mm WG, TurboXS FMIC, Forge Diverter Valve, DW 750cc Injectors, Perrin BigMAF, ACT HD Clutch, Exedy Lightweight Flywheel, FIS Gearset, Group N Motor/Tranny Mounts, Kartboy Shortshifter, Grimmspeed AOS
Suspension/Wheels mods:
Cusco FR/R Adjustable Swaybars, Cusco Rear Strut Tower, KYB GR2 Struts, JDM STI V7 Pink Springs, Powerslot Slotted Rotors, Ferodo DS2500 Pads, Goodridge SS Braided Brake Lines, 18x7.5 Prodrive P1s
Interior/Exterior/Accessories:
JDM Black Chrome HID Headlights, Clear Side Markers, Factory Option Front Lip, Factory Option Rear Skirt, AeroSync Aeroguards, STI FR/R Seats, STI Door Cards, RallyArmor UR Limited Mudflaps, 2005 Mustang GT Shiftknob
Audio/Electronics:
Blitz iD Series Boost Gauge, Flex Innovations Grounding Kit
Awards/Recognitions/Crews:
GroupOne, 2nd Place 2004 Import Face-Off Show and Go