Would the Eibach 6399.140 prokit springs fit my car? would I also need any toe kit or such if I do decide stick with the eibach.

Also what are the offsets/specs for 19" rims for car? I'm thinking about getting the STR 615. I would get spacers if its recommended.

And what diffuser would you guys recommend, I'm getting Tanabe medallion touring exhaust.


HELP PLEASE

 

I'll get back to you tonight (short on time right now) unless someone beats me to it

 

I have a 2011 g37xs and I used the same eibach kit. I'm using spc rear camber arms and toe bolts. Give me some time and I'll upload an alignment sheet and a pic.

 

As you can see the drop isn't that deep, also the alignment sheet is with stock camber arms/toe bolts.

 

What's your current rear camber at w/ the SPC kit? Drop & G look good Jump


As far as 19" wheel specs, if you're referring to the OEM coupe 19s the specs are~19x8.5 +43 front 19x9 +45 rear

The STR 615 come in 19x8.5 or 9.5 +35 offsets, for a safe fit the 8.5 +35 running 245/40/19s would work OK as a square setup but may want spacers to flush them up a bit.

Autokits makes nice diffusers or you can have it wrapped, bluebatmobile sells pre-cut wraps.

 

Thanks for the advice guys ! Time to get this baby suited up.

 

Welcome ! Autokits rear diffuser! They make A+ stuff, I have their stuff on my sedan, And had it on my Coupe!

 

Okay for the str 615 rims

Would getting 19x8.5 +35 front and 19.9.5 +38 rear
Be a good fit?, more staggered you can say
I would still get spacers if anything

What size tires for both?

 

It will give your G a more aggressive look and a more planted feel in the back w/ the wider rear tires. With an AWD tire sizing is much more critical as a variance over 1% front to back can cause issues w/ your AWD at higher speeds.
The sizes that will work on that setup would be 235/40/19 front & 275/35/19 rear OR 245/40/19 front 275/35/19 rear, the 235/275 combo is best because the rear tires are slightly larger, and since they wear faster the variance improves over time, the 245/275 combo starts out w/ a smaller diameter rear so it gets worse as they wear.

 

Here's the alignment with spc rear camber arms and toe bolts installed.


I don't think the guy at the dealer knew exactly what he was doing since he test drove my car twice and commented on how hard it was to loosen the camber arms. Thought that was weird seeing as how I had them installed about 20 minutes before going to get the alignment. All in all my tire wear has been nice and even.

 

I think I would try another shop though, they should be able to get that camber easily in spec w/ those SPC kits. Nice to hear you're not burning through tires though.

 

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