Got rid of my '18 STi and these parts laying around. Some of them are BNIB.

Interior
  • JDM climate control buttons = $45
  • JDM Armrest (black) = $150
  • JDM coin holder = $25
  • JDM STi push-start (V1 [discontinued] = $300 and V2 = $190)
  • JDM rear headrest (2 pcs) = $500
  • LED Interior Lights/Cargo (morimoto) = SOLD
  • Weathertech floor mats (front and back) = $165
  • Subaru cargo tray = SOLD
  • SMY front door warning light = $30
  • Proclip phone mount (c-pillar/left mount) = $30
  • Subaru shock sensor = $115
  • Genuine STi(used) and Subaru(new) keychain = $15 / $14
  • Silicone Keyfob cover (black) x2 = $8
  • BNIB Genuine Subaru cabin air filter x2 = $22.50 each
  • OEM Subaru Touch-up Paint K7X (WR Blue Pearl) = $17 (used it once)

Exterior
  • STi front under spoiler "fair condition" (rubber wellnuts needed) = $250
  • STi side under spoiler "great condition" (rubber wellnuts needed) = $300
  • STi rear quarter spoiler "great condition" = $250
  • JDM Satin Chrome side mirror covers (pair) = $350
  • OEM Black side mirror covers (pair) = SOLD
  • OLM light tunnel turn signal indicator = SOLD
  • OLM LED license plate light housings (assembly) = $25
  • Prolightz '18-'20 STi Foglight Kit w/ BNIB Morimoto XB LED Assembly (V1) = SOLD
  • SMY/IPF JDM Foglight Housings ('15-'21) = $300
  • JDM horns = $90
  • JDM rear foglight = $115
  • Genuine Subaru OEM front camera and T-harness (plug-n-play) = $375
  • Subiebros rear foglight harness (PnP) = $37.50
  • Front license plate holder "rubber wellnuts req'd" (no drill req'd) = $23
  • BNIB OLM First Strike Rear Fog LED Bulb = $25
  • BNIB OEM JDM Subaru LED DRL w/ PnP Kit 2018-up WRX/STi (aftermarket foglight for STi req'd) = $550
  • BNIB Subimods V4 Hella Horn Harness Kit = $60

Suspension/Wheels
  • Beatrush front strut bar = $315
  • Beatrush rear strut bar = $235
  • SuperPro 24mm front sway bar bushing = $22.50
  • Yokohama Advan Sport V105G Tires 245/35/19 (set) 95% tread left = SOLD
  • Hankook Ventus V12 245/35/19 "single tire" (5/32) = $50
  • Barum Bravuris 3HM 225/45/17 (1 tire) about 90% tread left = $80
  • Rays 17 Hex lug nut and lock set (black) 12x1.25 = $77.50
  • Volk Aluminum hubcentric rings (73mm to 67mm) = SOLD
  • OEM Subaru lug nuts (x25) = $50

Engine
  • JDM STi engine oil cap = $119
  • JDM STI radiator caps x2 (v1) = $145
  • JDM STi battery tie down = $150
  • Cusco battery tie down = $65
  • Cusco pulley cover = $115
  • Cusco intercooler cover = SOLD
  • Fumoto drain plug = SOLD
  • JDM STi Performance mufflers = SOLD
  • BNIB Group-N rubber exhaust hangers (x6) = $60
  • BNIB Kartboy 12mm Black Exhaust Hanger XL Kit (x6) = SOLD
  • NEW Oil filters = Roki (black) x5 =$20 each / Subaru (blue) x3 =$15 each / JDM STi x1 =$50
  • BNIB Genuine Subaru engine air filter = $24.50
  • OEM mid-pipe for STi = $175

I can send pictures to your mobile or just reply to this post and ask which one are you interested in.