couldn't you just attaché a hose to the intake of your car. run that hose through the fire wall, attach it to the end of a funnel that sit under your butt where you cut a hole in your seat and jut eat a lot of taco bell that day to make a fart injection system
the chemical make up of a fart has a lot of performance lol
Nitrogen: 20-90%
Hydrogen: 0-50% (flammable)
Carbon dioxide: 10-30%
Oxygen: 0-10%
Methane: 0-10% (flammable)


ignore me 3 hours of sleep on grave yard shift makes for messed up ideas for car mods whahahah fire burns pretty
or if your really fat lose 100 pounds