Diesel Engines Home › Forums › Diesel tuning & Issues › Diesel Engines This topic has 0 replies, 1 voice, and was last updated 4 days, 10 hours ago by argirisbatsis. Viewing 1 post (of 1 total) Author Posts April 9, 2026 at 7:50 am #190 argirisbatsisParticipant Always aim for the highest flow, diesels love that. To achieve that you need to delete the Diesel Particle Filter and the high restriction air filter that is restricting the flow. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In