[QUOTE=BackOff;2958994]Most on here...T4R.org, think these are snake oil.
Not sure about the one you posted but the series 63 is the one for our v6 4runners I believe. Have had one on for 5+ years.
https://www.knfilters.com/search/pro...x?prod=63-9023
This is not a street legal option for California. I will definitely look into rhe MAF and TB spacer. Thanks for the input.