I got a 09 BSP XB bone stock with hubcaps. I wanna start customizing my ride and i want to start with a rear spoiler. I go to the TRD Sparks website and see that their rear spoilers for over $200 and then I see some on EBAY for like $70. Are the ones on EBAY that are inexpesive just as good.

 

is your friend.
https://www.scionlife.com/forums/viewtopic.php?t=27618

Here you go:

eBay Spoiler. Yes, I bought it.
https://www.scionlife.com/forums/viewtopic.php?t=255628

Installed Ebay Spoiler and Mud Guards
https://www.scionlife.com/forums/viewtopic.php?t=256134

Found $125 shipped Painted XB spoiler
https://www.scionlife.com/forums/viewtopic.php?t=218215

OEM spoiler off Ebay
https://www.scionlife.com/forums/viewtopic.php?t=207375

 

Woo hoo. That first result there was my topic when I bought my eBay spoiler! That one has a DIY, btw.