Bought earlier this year in March pretty much stock. Previous seller had only done cosmetic upgrades such as sound system and tow hooks. Since i got it, i did the performance upgrades which are what truly matters for an Si.
2007 Honda Civic Si (White)
Skunk2 alpha header, Skunk2 MegaPower 76 mm exhaust Exhaust (Full 3"), Hasport Mount (All around)
New shift boot, LED map lights.
Plasti-Dip Painted: Hood + Grill, Rear emblems and Wheels, Tow Hook (Front + Rear), 6000k HID, Yellow Fogs, LED DRL, Front Lip, Yakima Roof Rack.
Pioneer touchscreen radio, 2 10" woofers custom fitted in trunk. 2 1000 Watts AMps (dont recall the brand), Stand alone Equalizer (blue led)
Wheel and Tire