[jaslapp1]

Hey guys I was wondering if anyone knew if it was worth the extra almost 400 dollars for the front and rear sway vs. just the rear sway? Which is the best way to go?

 

[BigMikeISF]

Here is a link that might help you out I personally haven't done this yet, nor have I really considered it. Now that I'm thinking about it, I would probably only change the rear for fear I might make the car too stiff if I upgrade the front also. People who have changed out the rear are saying good things about the difference they feel

http://www.lexusf.com/forums/showthread.php?t=775&highlight=sway

 

[micaISF]

Hey guys I was wondering if anyone knew if it was worth the extra almost 400 dollars for the front and rear sway vs. just the rear sway? Which is the best way to go?

the F sports and ISF OEM front sways are very close in diameter, but i am not sure about the geometry though. the rear OEM bar is 17 mm and bent in the middle, the F sports rear bar is straight and 19 mm in diameter.
i installed just the rear bar and definitely makes the car ride slightly stiffer. it also make the car more neutral and maybe a touch oversteer. with the VSD off, it's a bit more fun to drive, but also easier to lose control.

 

[lowrider]

The front sway bar in the F is the same as the F-Sport sway bar. As has been stated the rear sway bar is 17mm in the F and 19mm for the F-Sport Kit. The shape is also different. The F-Sport is straight so it's shorter. I have the F-Sport rear, and it's a worthwhile mod. More neutral handling and flatter cornering.

The IS Sway Bar Specs are attached.

Lou

 

[lowrider]

This is the IS-F bar:

 

[lowrider]

The F-Sport Bar.

 

[Nydjeodkeor]

Thank you for the*informative*posts.