So far, I haven't been able to find any good lists of of DIY friendly parts for modding and upgrades for the 2014/15 Corolla. So I decided to make one myself. Feel free to post below and I will add your parts to the list if you see any I missed.
Lighting
Look on eBay for 6 and 8 piece kits for both white and blue LEDs for under 10 bucks.
How to video here for dome lights
high beam is a normal halogen bulb - part# 9005
license plate - part# 168
front turn signal - part# 7443
rear turn signal - part# 7440
reverse light - part# 921 or 168
brake light - part# 7443
dome - part# DE3175
map light - part# 168
trunk light - part# 168
Front fog lights - part# H11 or H8
Tron lights for Dash - StreetGlow EL5RD (amazon)
Underglow for footwells
LEDGlow (I used the blue only kit LU-SC01, but they make multi-color kits)
Don't forget to pickup a 12volt expandable circuit! (eBay)
How to install LED glow
Audio
2x 6.5" speakers for the front
2x 6x9" speakers for the rear
Adapters are here, if you choose to use them
http://www.car-speaker-adapters.com/items.php?id=SAK054 - Rear
http://www.car-speaker-adapters.com/items.php?id=SAK036 - Front
Headunit - Pioneer 5100 NEX
How to install door speakers here
And how to remove the rear deck to get to the rear speakers here
Aftermarket Maintenance parts
Air intake - K&N part# 69-8757TTK
Engine Air Filter - K&N part# - 33-2360
Cabin Air Filter - K&N part# - VF2000
Cabin Air filter OEM - part# CF35667
Spark Plugs - NGK part# - Laser Iridium (they make a few different models that all work fine)
How to replace the plugs (note, you will need a special 9/16 deep wall socket)
Oil - 0W20
Brakes
Hawk street pads - part# HB629F.565 or HB627F.690 or Ceramic HB627Z.690
Hawk front rotors - part# HR4979
Hawk rear rotors - part# HR5015
Large Performance mod list here
Lighting
Look on eBay for 6 and 8 piece kits for both white and blue LEDs for under 10 bucks.
How to video here for dome lights
high beam is a normal halogen bulb - part# 9005
license plate - part# 168
front turn signal - part# 7443
rear turn signal - part# 7440
reverse light - part# 921 or 168
brake light - part# 7443
dome - part# DE3175
map light - part# 168
trunk light - part# 168
Front fog lights - part# H11 or H8
Tron lights for Dash - StreetGlow EL5RD (amazon)
Underglow for footwells
LEDGlow (I used the blue only kit LU-SC01, but they make multi-color kits)
Don't forget to pickup a 12volt expandable circuit! (eBay)
How to install LED glow
Audio
2x 6.5" speakers for the front
2x 6x9" speakers for the rear
Adapters are here, if you choose to use them
http://www.car-speaker-adapters.com/items.php?id=SAK054 - Rear
http://www.car-speaker-adapters.com/items.php?id=SAK036 - Front
Headunit - Pioneer 5100 NEX
How to install door speakers here
And how to remove the rear deck to get to the rear speakers here
Aftermarket Maintenance parts
Air intake - K&N part# 69-8757TTK
Engine Air Filter - K&N part# - 33-2360
Cabin Air Filter - K&N part# - VF2000
Cabin Air filter OEM - part# CF35667
Spark Plugs - NGK part# - Laser Iridium (they make a few different models that all work fine)
How to replace the plugs (note, you will need a special 9/16 deep wall socket)
Oil - 0W20
Brakes
Hawk street pads - part# HB629F.565 or HB627F.690 or Ceramic HB627Z.690
Hawk front rotors - part# HR4979
Hawk rear rotors - part# HR5015
Large Performance mod list here