# K20 Turbo Si

**URL:** <https://forums.speedlife.net/t/k20-turbo-si/188283>\
**Category:** PittSpeed Off Topic\
**Created:** [February 27, 2007, 7:04am UTC](https://forums.speedlife.net/t/k20-turbo-si/188283 "2007-02-27T07:04:27Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![jcxcr4000](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jcxcr4000/32/5980_2.png) [@jcxcr4000](https://forums.speedlife.net/u/jcxcr4000)\
**Post date:** [March 9, 2007, 8:01am UTC](https://forums.speedlife.net/t/k20-turbo-si/188283/20 "2007-03-09T08:01:50Z")

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> [@FS: Tires!!](https://forums.speedlife.net/t/fs-tires/26298/6):
>
> what do the Si’s top out at? she’s taken her R18 to 127

i dont know personally but everyone who has tried says 133-135

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