hello
Welcome to the forum and congrats. Mods? All depends on what you want to do not on what we think you should do. In either case have fun modding...it gets expensive once the mod bug bites.
Twin turbo decals, good for 500 whp. jk... Welcome. If it were me my first mods would be, tint (always my first mod on any car), drop on Eibachs, 5000K OSRAM XENARC headlight bulbs, and R2C intakes will get you going. 
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There are plenty of mods available for all kinds of price ranges. Here's a blanket statement for new members asking about mods, and my personal feelings on some of them.
Here's the cliff's notes version of most of the questions new members ask.
1. Everyone disagrees on which external mods look good. That being said, the popular mods people do externally are:
Body kits (Aero, JP Visage, or Top Secret)
New wheels (Vossen, Stance, Rays, and Enkei are popular brands), check threads to see if they'll clear your brakes instead of just posting up a wheel fitment thread. Not all wheels work on all cars or all brake packages.
Lights (people change the lenses to TSX lenses, paint the housings, delete amber corner, and add LED rings) I wrote a DIY on this.
Carbon Fiber (most things are available in carbon fiber, VIS and Seibon are popular mid-price brands, fitment is always a concern. Carbon Signal is good also, but ships from the UAE.)
Painted calipers
smoked lights (may be illegal in some states)
Debadging (pretty easy DIY)
LED interior light swap (diode dynamics or other companies offer kits containing all the LED's you need)
Spoilers (front chin, rear decklid, rear wing type, roof mounted spoiler)
Diffuser (autokits x, carbon signal, other companies)
Plastidip (hideous, don't do it)
2. The best HP performance mod you can do is Forced Induction. These cars love boost, and any bolt ons (exhaust, intakes) will see only marginal HP boosts. That being said:
Cold Air Intakes (K&N, Sillen, Takeda, R2C, Injen)
Intake Manifold (Motordyne, Z1 power plenum)
Header (Fast Intentions, Z1, idk about other companies. Either way, the price-high, vs potential hp benefits-low, means it's not worth it to most people)
High Flow Catalytic Converters (Fast Intentions, Berk, Stillen, among others)
Test Pipes (same companies as Cats) Catback Exhaust (Tanabe, HKS, Greddy, Borla, Fast Intentions, Motordyne, Magnaflow, others)
Tune (either dyno professional, or handheld tuner unit)
Grounding kits (DIY)
Forced Induction (GTM twin turbo, GTM twin super, GTM single super, Stillen Super)
3. Suspension mods
Sway Bars, biggest bang for buck mod, (Hotchkis, Cusco, Stillen, Eibach, Motordyne)
Front Tower Strut Bar (Cusco, GT spec, others)
Coilovers vs. Springs Coilovers allow user to adjust drop exactly as needed, springs have 1 drop height Coilovers allow user to adjust drop without changing spring compression, springs do not Coilovers and Springs may both require camber kits.
Various chassis braces (may not be compatible with whatever exhaust you choose)
Welcome to the forum, use the search bar. Hope this is useful!
Here's the cliff's notes version of most of the questions new members ask.
1. Everyone disagrees on which external mods look good. That being said, the popular mods people do externally are:
Body kits (Aero, JP Visage, or Top Secret)
New wheels (Vossen, Stance, Rays, and Enkei are popular brands), check threads to see if they'll clear your brakes instead of just posting up a wheel fitment thread. Not all wheels work on all cars or all brake packages.
Lights (people change the lenses to TSX lenses, paint the housings, delete amber corner, and add LED rings) I wrote a DIY on this.
Carbon Fiber (most things are available in carbon fiber, VIS and Seibon are popular mid-price brands, fitment is always a concern. Carbon Signal is good also, but ships from the UAE.)
Painted calipers
smoked lights (may be illegal in some states)
Debadging (pretty easy DIY)
LED interior light swap (diode dynamics or other companies offer kits containing all the LED's you need)
Spoilers (front chin, rear decklid, rear wing type, roof mounted spoiler)
Diffuser (autokits x, carbon signal, other companies)
Plastidip (hideous, don't do it)
2. The best HP performance mod you can do is Forced Induction. These cars love boost, and any bolt ons (exhaust, intakes) will see only marginal HP boosts. That being said:
Cold Air Intakes (K&N, Sillen, Takeda, R2C, Injen)
Intake Manifold (Motordyne, Z1 power plenum)
Header (Fast Intentions, Z1, idk about other companies. Either way, the price-high, vs potential hp benefits-low, means it's not worth it to most people)
High Flow Catalytic Converters (Fast Intentions, Berk, Stillen, among others)
Test Pipes (same companies as Cats) Catback Exhaust (Tanabe, HKS, Greddy, Borla, Fast Intentions, Motordyne, Magnaflow, others)
Tune (either dyno professional, or handheld tuner unit)
Grounding kits (DIY)
Forced Induction (GTM twin turbo, GTM twin super, GTM single super, Stillen Super)
3. Suspension mods
Sway Bars, biggest bang for buck mod, (Hotchkis, Cusco, Stillen, Eibach, Motordyne)
Front Tower Strut Bar (Cusco, GT spec, others)
Coilovers vs. Springs Coilovers allow user to adjust drop exactly as needed, springs have 1 drop height Coilovers allow user to adjust drop without changing spring compression, springs do not Coilovers and Springs may both require camber kits.
Various chassis braces (may not be compatible with whatever exhaust you choose)
Welcome to the forum, use the search bar. Hope this is useful!
