# My 07 Si

**URL:** <https://forums.speedlife.net/t/my-07-si/241544>\
**Category:** Builds\
**Created:** [January 23, 2009, 12:37pm UTC](https://forums.speedlife.net/t/my-07-si/241544 "2009-01-23T12:37:22Z")\
**Posts on this page:** 1\
**Showing post:** 210

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**Author:** ![Ilya](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ilya/32/6404_2.png) [@Ilya](https://forums.speedlife.net/u/Ilya)\
**Post date:** [February 16, 2009, 8:29am UTC](https://forums.speedlife.net/t/my-07-si/241544/210 "2009-02-16T08:29:53Z")

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> [@Hello via BlackBook](https://forums.speedlife.net/t/hello-via-blackbook/14096/37):
>
> Ilya… thats not really the point 1stgen is trying to make…

> [@tips on getting drum off?](https://forums.speedlife.net/t/tips-on-getting-drum-off/14059/15):
>
> may help free up an extra 1hp on the dyno…but noone on this earth will feel the difference in their butt when driving.

I posted that sheet for that part of Miah’s quote. I understand what 1stgen is saying.

That is all.

It can be felt, and it does make a significant difference in temp AND hp/tq (unless your a Honda lol jk). At least it does on a VQ motor. Hence why I said I think it depends on the car.

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