Originally Posted by mjgroves

Hi hersh,

that's a pretty detailed question you're asking. The short answer is that this 185 pulley is the most expensive and offers the most boost out of all the aftermarket pulleys made for our cars. This will make the most hp and torque gains. So when someone asks on the forum which pulley will give them the most performance, it's the 185 they get pointed to.

The code 3 makes far less boost.