disable/decrease particals/smoke amount

is there anyway to decrease or disable smoke?
making donuts like this works fine for my machine but the moment you start doing more intensive *drifting* it starts to lag a bit

 

i once saw a post on the forum that someone managed to decrease the time tha tthe particles are being shown (example instead of smoke haning for 10 seconds it hands for 5) but i lost the post (iirc it involved editing the lua files though) but this works aswel i geuss