supra sport makes the injectors
http://www.suprasport.com/SupraSport...rs_p_5466.html
this is not some ebay store..
yes I agree with you. the use of "plug n play" anything smells a tad fishy. but if you buy from known respected dealer of good performance parts....
comes with an 18 month unlimited mile warranty.
so if you wanna spend your additional 200 to get them flow tested be my guest.