I've so far done a few subtle things like blacking out the decals and adding rain visors to my 2010, but I'm curious to hear some of the community's favorite or most important mods/accessories they've invested in. I'm really interested in seeing what people do to their gen 3s, let me know of anything you think is worth investing in to make the Prius better in any way!
There's a thread for that already and there's over 19K comments in it. No need to start a new thread: What did you do to ur Gen III Prius today???? | PriusChat
Would not hurt to have a less cluttered thread with fresh content and easy to find. Most of the images are broken in that thread anyway. That being said some of my best mods and accessories are the following. Red Bullet Lithium HV battery Magnaflow catalytic converter Ganador Muffler Rebuilt ICE with 2015 pistons/rings Blitz WAI JET Performance MAF sensor Aluminum skid plate Millercat catshield TPMS monitor Rear wiper delete mod I could go on and on but lets see what else we got out there.
There’s some fragile looking, exposed wires going into top/front of the under-hood electronic control module (near fuse box), and there is a cover available: Question in engine compartment | PriusChat Oil catch can is a good one too. The mother of all oil catch can threads is linked in first line of my signature (on phone turn it landscape to see signature). And conversion to spin-on oil filter: Spin on oil filter | PriusChat
There's also a Lexus CT200H cover that you can get that fits over the inverter and makes everything look cleaner:
Rear Hatch Lights like this: Toyota Prius 2010 - 2015 Rear Hatch Trunk Luggage LED Lamps I wired mine in with a switch cut out in the trim panel. By default I think it always turns on whenever the hatch is opened. Thread with more details here: Rear luggage light connector? | PriusChat