This tutorial is deprecated! Here's a better one you can follow instead: Small tutorial: 1. Build the car. (Don't use turbos nor an exhaust tip, but use a Dual-Clutch Transmission) 2. Export the car and unpack it. 3. Delete (vehicle)\art\ 4. Go to (vehicle)\vehicles\(vehicle) 5. Open "camso_engine.jbeam" with the text editor, add 16000, 190.00 to the rpm and change the maximum rpm. then press ctrl+F and click the search button for "exhaust". Edit the "particulates" from whatever number to 0.000 Delete "//Exhaust Sound/back fires" and everything that follows till "//cooling and oil system",from the code. then press ctrl+F again and click the search button three times for "gearbox" and delete everything that follows the third number, and set the third to 2.00. 8. Save and close the file. 9. Open "(vehicle).jbeam", press ctrl+F and search, again, for "exhaust". 10. Delete the line of code that "mainexhaustmesh" is in. If you want to add sound, download the sounds.zip and extract it to (vehicle)/vehicles/(vehicle). Open up hatch_sounds.sbeam and press CTRL+H. Replace "name" with your cars name with the help of the window. NOTE: Only change the "name" in the filepaths! 11. Save the file and close it, then pack everything into a zip.