@dca860 If the fumes don’t pass correctly through the exhaust system, they can end up in the cabin, poisoning the driver, in extreme circumstances they cause the driver to pass out. Post navigation Good Evening Surrey! Its Karis and Daisy (Karaisy) here with you for the late shift! We hope you have a fun but safe evening 🍷🍺 What are your new years resolutions? Answers in the comments below. We are here if you need us, just drop us a DM 📲📩 @highlandbikes @martynbolt @gazzabiker Take your pick… Road Traffic Act 1988 Section 2, or Section 3.