Will replacing the control arm and sway bar bushings increase trucks handling?

My truck is a 2003 Honda Element 4 speed automatic. Whenever I get on the Freeway where the speed limit is 65 mph, most people rocket down the highway doing AT LEAST 75 MPH and traveling as fast as 90 mph! It's on a parkway though that extends for as long as 20 miles. The problem with my truck is when I approach speeds of 65 mph and higher, the steering starts to vibrate and I have to keep the steering straight with a bit of force. Wind restistance has not been an issue despite my truck being non aero dynamic. My question is how significant are the control arm and sway link bar bushings to my car? Will it improve my cars handling in Corners and highway cruising speeds?

Also one more question. Will lowering my truck by a good .5-1"
How can I achieve my car reach it's top speed a little quicker? I'm asking this because one time when I was on the interstate highway, particularly on the overpass which which extended as long as 2.5 miles, there were literatally no cars around me, the wind conditions were perfect(no wind restistance, not to cold or hot) so I decided to get on the gas to see what truck can do. As I went up the speedometer from 65 mph, it had no issues accelerating up to 95 mph but once i passed 95 mph it creeped up to 100 mph slowly. Now my foot was on the FLOOR, HOWEVER the engine was not redlining as I was only doing 4100 rpms. The tachometer reads up to 6500 rpms. Surprisingly, the truck was able to hit 100 mph with my foot on the ground(not redlined).

2003 Honda Element troll strikes again. Dude, time to see a shrink. You are losing it. Or maybe you have been having too much of that Colorado online specials.

Obviously the best way to improve this vehicle's handling is to give it to someone else to drive.

If you are going for top speed…

Put your Altima back on the road. Take $15,000 out of the bank.

Pull your k24 motor.

Rebuild with low comp pistons and forged internals.

Have heads ported and rebuilt with new valves/springs/cams.

Have header welded up.

Buy a big turbo.

Buy tunable ecu/engine management along with new injectors and whatnot.

Have new intake and exhaust fabricated.

Dyno tune.

Or enter the real world where top speed means jack.

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