Insert the catalogue on Joomla 3

Add a catalog of goods to the site
There is a list of goods in the oxel broken down by columns.
Create a menu item for engines and kpp.

Clicking on the engines appears a list of models of cars further brand car further engine, which they installed when switching to a certain engine appears product page approximately the following Testo nascosto with a button to find out the price (feedback form, so that it is clear from which page clicked on it).