i currently have work emotion cr-kai now...
spec are 18x8.5F and 18x9.5R offset+20
i dont think this set up is aggressive enough....can the spacer make it looks more aggressive......??? thanks in advance!!!

 

Simple answer YES

 

do i need 5mm or 15mm???

 

Thats up to you, i would do 10's probably.

 

No.

The only aggressive mod is lots of carbon fiber and stickers. That will surely put fear in the hearts of mankind and small animals.

 

I've got +20 Emo's.

I'm about to put 25mm spacers all around.

 

so you got 20 year old and older emo's running around or more than 20 emo's running around your area????

 

^^^ haha wtf?

 

so i should put on 10mm spacer in the front and 15mm spacer in the rear??
again, my rims are emotion cr-kai and specs are 18x8.5F +22 offset and 18x9.5R +20 offset....if i put those spacers on, do i need to rolled fender??

 

I say not since it's gonna make minimal difference.

When I had spacers on my old set of wheels, I always had a fear that the bolts might shear off when I was doing heavy track work.

Also, you'll be adding plenty of unsprung weight.

 

will i have camber issue tho? i am pretty much have no knowledge on this....

 

what are your tire sizes? I would go at least 15mm spacers

 

245/40F and 275/40R.....15mm all around??

 

I would go at least 20mm since you only have a 9.5 wheel in the back.

 

will it roll fender tho? considering my car is lower with tein s-tech spring.

 

I have the same rims but +12 all around 9.5 wide 245 40 tires and it's super agressive up front and I'm throwing a 15 mm spacer in the back. Really is super agressive.

 

the size of the spacer subtracts from the offset so:
you have +20 offset
10mm spacer will make that:
20-10 = +10 offset

or 15mm spacer:
20-15 = +5 offset.

you can just take a tape measure and measure how much farther out you want your wheels.

 

not a fan of spacers. poor idea IMO.

 

I think mild spacers are okay (5mm~15mm). But going over board on it (20mm +) defeats the purpose of handling, stability, longevity of bearings, stud fatigue, etc, imho.

Ichiba, H&R, Project Kics are quality spacers.

 

no, do not bow to peer pressure or the fad of putting spacers on a car that does not need them. if you wheels are the proper offset, there is no need to use these at all.