Does anyone know if the spark plug in the exhaust would really work or not. Could it hurt anything or is it a legit method for getting this reaction to occur?

2000 Svt
kkm intake w/heat shield, custom MAF,under-drive pulleys,braided brake hoses,carbon fiber brake pads,painted calibers,17x7 borbet t's with g-force tires,bat euro struts,eibach pro-kit,custom burned superchip,sho offroad y-pipe, bassani exhaust with high flow cat,formula one tint,kenwood excelon cd/mp3,mb quart compents w/mtx amp,b & m short shifter, carbon fiber pedals,hyper-bright bulbs,painted oval ring and many mods to come.