Theses are Flame throwers that use the Blue Lightning Kit, the same kit i run.  This system kills power to your engine and ignites spark plugs in your tailpipes with one switch.  When you lose power you force raw gas though the exhaust and it is ignited.  This is hard on your engine, you burn piston rings real fast.
The car and bike below have propane injection.  They inject propane into the exhaust and it is lit.  I would like to switch over to this system so i do not blow up yet another engine. This is more dangerous than using raw gas, but either way you look at it the cops say it is human endangerment and a felony.
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