King

They add about 5 inches in height 

Just open up the tank from the fuel pump access point . Tilt the bed and look down at the fuel tank the opening just unscrews like a gas cap but it’s pretty tight will need a big channel locks or oil filter wrench to Lossen it.

I don’t think it flips 

Make sure you seal up the stock air filter with rtv on the intake side it has been know to leak.

You can pick up a few hp with exhaust and a tuner but the defender are not speed machines made for utility work and play.

You sometimes have to close the lower vents to blow more air out the defrost side make sure you get the ones that blow on your feet also for maximum effect. Also order can ams  winter kit that covers the radiator. 

I have a moose plow it is really strong but a bear to mount so I might switch to a superduty plow set up.

That’s awesome 

It looks a lot like how the superduty mounts

Can you post a picture of where the front mount attaches to the frame. I would like to know how far back it is or if it hangs down and what bolts does it bolt up too.