Why do you believe you need a strut bar?
Is the rear too lose? Excessive oversteer?
Or are you modifying for the sake of modifying?
When it comes to suspension, you always have to question why you are changing a part. What's wrong that you wanna improve? You cannot throw parts on a car and expect a difference, especially one that's a positive difference.
I noticed this part:
i do know that you need to install more bars into order to feel a difference
Feel
what difference? Get off the internet, do some driving, talk to some people who know their stuff and then start modifying.
Read this, you'll need it.
For most people, a set of ST coilovers will let them be happy for the life of the car. Some just want to lower the car.