Anyone know these products?

[knelson]

Anyone ever used these products or know much about them?

https://www.ebay.com/itm/121977891943

https://www.ebay.com/itm/253038601098

[Debonair]

HPS tubes are talked about HERE. Probably good for a couple HP's and a much cleaner looking engine bay.

That "Performance Module" is a joke. I would not waste your money on it. See HERE and a billion other places online where they have debunked these things,

[knelson]

Thanks that sent me off reading in several directions.

I like that placebo comment. Could be true! Ha.

[JCesar]

first one is good "there are also more options that fit"

Stay away from the second one

[PostalsQ]

Having someone with a good reputation, computer tune your car makes a nice difference. Stay away from 2nd.