Subject: Outlander,suspension.
Question:

Good morning.
I am writting you from Montreal,Quebec,Cnd ,where the expertise on any Mitsubishi models are very scarce.
I own a 2004 awd outlander ls,automatic.
We like the vehicule ,but we cannot stand the suspension .The ride is very jittery,and harsh on uneven pavement .
What I like to know is how can I improved to a significant level this suspension.
Ihope that you can reply
Thank-you for your time and sharing your expertise. 
Answer: Yvan,
Unfortunately, there probably is not much you can do. SUVs are built in the assumption that they will be driven on paved roads. Even though it's an AWD vehicle, that's actually far different from a 4x4 (4WD). Without getting into the technical side, a vehicle with 4WD (like a truck) is built for off-road and has a stiffer suspension. But AWD vehicles are meant for mostly for traction and corning on paved roads.

Also, being that it's a 2004 model, there are no aftermarket parts available for it (or at least none tested for it) to improve it's suspension. You can bring your car to the dealership and ask them to check the suspension to see if there are many damaged spring or struts. If you do have a weak or blown strut, you will have a jittery and harsh ride.
Good luck!