(Shamelessly stolen from lawman's post!)

Modification:
Lexus IS-F JIC Magic FLT-TAR Coilovers for full replacement of the OEM springs and shocks.

Damper:
12kg front 7kg rear (12/7)

Purpose:

Make the ride more "compliant" and less spine-crushing for the street. Also, eliminate front wheel gap.

Cost:
~$2400 MSRP

DIY or Professional Install:
Can be DIY with suspension work knowledge but Professional recommended

My Rating:
9/10 (only "issue" is difficult to adjust damper in rear)


Instructions/Notes/Comments:

This is my second mod for my car, and by far the BEST. The stock ride on the car is entirely too harsh and unforgiving. The JIC's transform the car completely. They are 15 way adjustable and I have them set at "6" (assuming 1 being softest, 15 being hardest).

The installation did not progress as quickly as I would have liked but that was partially due to the installer's lack of familiarity with doing aftermarket suspension installs (getting the ride height right). Everyone was seemingly impressed with the quality of the product, being that it's aftermarket.

I have the car dropped about 1"+ front/back but may have to come up a little because I seem to be getting a tad of rubbing during heavy cornerning from the front left side. The only real issue with these (or any other coilover kit for the IS-XXX/F is that there is NO camber adjustment).

And now for the (not so great) pictures:


Misc pre-install pics:







(Look Ma', they really are Brembo!)



Out with the old...



During install:


(

looks good! 

The stock ride, to me, and many others, was spine-shatteringly harsh. It also had some serious rebound issues. I could kick the rear end loose on a freeway bump (transition from asphalt to a really horrible raised concrete bridge, in a corner) at 50+MPH. It made the FIRST generation/MY (04) FX Sport seem like a lincoln towncar in comparison. The car "hopped" over bumps/imperfections, and going over reflectors in the road felt like I was hitting a 2x4.

When I had the coilovers set to "6" it had more of an M-sport-ish ride but with much less body roll and definitely still a bit stiffer. I then bumped it up to 8 earlier tonight and went out - decided 8 was too close to stock feel (still much better, no insane rebound like the stock suspension).
The rubbing on turns is something i'm still trying to isolate. The car is dropped the same level on both front & rear, and the ONLY thing that rubs is the front left on hard turns or heaving cornering (say - entering a freeway ramp)... so I'm going to have to try and figure out a way to figure out WHAT exactly it's rubbing on. There's no obvious bits (to me). If anyone has any good ways to isolate this easily, i'd definitely appreciate it!

I haven't tried w/ 4 adults in the car, but that'll be soon. I'm waiting for the suspension to settle (1-2 weeks) before I decide on final ride height.

Regarding the "flushness" issue, not sure what i'd do in that situation. The "tucked" look seems okay to me (not amazing or anything, but acceptable). I guess I could do spacers but not really interested, plus if the rims/tires come out any further they would rub and I would have to raise the rear again.

PS - Thanks for your feedback!

I don't think i'll go as far as getting the rear fenders rolled. No one I trust to do that. + I don't think i really need the clearance. I could probably drop even further in the rear and still not rub.

As for the front - not sure if they are already rolled or not. It seems that the tire is actually rubbing on wheelwell lining.

I'll be getting an alignment at some point - but if you are recommending it regarding the camber; nothing can be done in that department. no camber adjustment.

Nope. None for the  ISXX0 either.


But,

http://www.clublexus.com/forums/4025366-post7.html


In THEORY,. all i need to do is worry about toe - and find someone/where competent enough to do a good alignment.

Yeah - I've seen a few threads regarding toe > camber for cause of premature tire wear. I can "see" the tires lean-in slightly whereas I can't eyeball the "toe" so that's why I haven't really talked about it.
I had the exact same idea as you (height of firmness) - I had tried bringing the firmness up yesterday and it still was rubbing.

I have noticed that it ALWAYS does it when I make a right turn onto the street where I live, even at 10mph or so.. there's a slight dip (VERY slight) so that's the only reason i can see that it's happening there.

It's not a huge issue, definitely going to get it sorted out - just want to make sure i'm approaching it from the right way.

I figure i'll get an alignment within about a week.

Nice Ranger in pic number 10.   

It's definitely more than 1", but not quite 2". I am going to have to come up in the front - I got the right side to rub today on the interstate (hit a dip on an offramp at ~50+)...

If i raise the front should i raise the back as well, or leave it where it is?