Yes, that is smoke from the clutch, due to me slipping it and using no brakes to do this burnout. It's a Southbend 3600 dual disk rated for 800hp, so it was grumpy. Mods: B-Town Built Fleece Performance CSP5 efi live tuned Fleece billet s468 Fleece mantake Fleece powerflo750 10mm cp3 Exergy 100% full body injectors 103# Hamilton valve springs Hamilton billet push rods Wilson intake 4in MBRP exhaust to 7in tip. ****No mommy and daddy didn't contribute to buy this truck nor build it, and it's also not my fiancés truck or money. But he did build it! Enjoy!