i have a bazooka the 80 mph is a lie i would say about 50mph but i dnt know becuse i bought mine with a sh28 not the vertex 21 there are quite strong my lost controll nd crased into a bin ive crashed mine alot about the shock tower bending i will not lie it dose bend but not a lot they r grate fun if u want a cheep rc buggy but i dnt no bout in jumping a housebut i have chucked mine over a 7 foot gate becuse i run mine in a skool playground i think most sho parts fit but i dnt know becuse i bought the origanl parts