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Discussion Starter #1
Hi guys,

I am looking at tires and I am currenly on ASPEC suspension and want to fill up the wheel wells more.

I believe the offset for the GP's are +48 offset so if I get that size would I have to roll fenders?

Should I consider the SL rather than XL(though OEM reccommends XL).

Thanks for your input.

Note: I know Velocifero has Mugen Gp's with 235/40/18 on DWS, not sure if thats XL or SL

If not then ill go with 225/45/18 XL size
 

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get 235/40/18 if you're set to 235 (Velocifero :rolleyes:). I have 225/40/18's on my GP's. See what the minimum rim width is for the tire size you want from the tire manufacturer. Tirerack has a huge database of tire specs.

you won't need a fender roll regardless cause the GP specs are 18x7.5 +48 which is close to stock.
 

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get 235/40/18 if you're set to 235 (Velocifero :rolleyes:). I have 225/40/18's on my GP's. See what the minimum rim width is for the tire size you want from the tire manufacturer. Tirerack has a huge database of tire specs.

you won't need a fender roll regardless cause the GP specs are 18x7.5 +48 which is close to stock.
LOL did I spell his name wrong http://www.tsxclub.com/forums/1st-g...s-235-40-18-tires-18x7-5-wheels-mugen-gp.html

I want a higher sidewall to fill in the gap, both 235/45/18 and 225/45/18 are good according to the tire calculator.

Another thing I wasnt sure was the XL size which means a stiffer sidewall.
 

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From wiki

XL: eXtra Load; a tire that allows a higher inflation pressure than a Standard Load tire, which increases the tire's maximum load

SL: Standard Load; tire for normal usage and loads

https://en.wikipedia.org/wiki/Tire_code



235/40/18 is as close to stock measurements as you can get. getting 235/45 vs 235/40 is a difference of 5%*235 = 11.75mm sidewall increase. divide that by 2 and you're going to see about a 6mm difference in the top and bottom in terms of the sidewall, which I don't think the average person is going to notice.
 

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Discussion Starter #5
Seems like all the tire shops I talk to said that 225/45/18 will cause rubbing issues because its a inch taller than OEM..................

Will probably go with 235/40 if thats the case
 

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Keep in mind you car will be higher off the ground with the 45 side wall. So although it might seem like you are filling in the gap the car will be higher as well.
 
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