Do not use uTorrent (old versions have ads and security holes). Use qBittorrent (open source) or Transmission. These allow you to bind the network interface to your VPN, preventing IP leaks.
Most P2P users don't do this. If you port forward (usually port 6881-6889), you connect to more seeds. This can turn a 2MB/s download into 15MB/s. Download Phat Torrents - 1337x
By following these steps and being mindful of your online safety and legal responsibilities, you can efficiently and securely download torrents from 1337x or similar sites. Do not use uTorrent (old versions have ads