# 'Evolution' of my X - Mods & Dyno Graphs Inside

**URL:** <https://forums.speedlife.net/t/evolution-of-my-x-mods-dyno-graphs-inside/245983>\
**Category:** Builds\
**Created:** [August 8, 2009, 7:34am UTC](https://forums.speedlife.net/t/evolution-of-my-x-mods-dyno-graphs-inside/245983 "2009-08-08T07:34:38Z")\
**Posts on this page:** 1\
**Showing post:** 61

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**Author:** ![crazybrew609](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/crazybrew609/32/6319_2.png) [@crazybrew609](https://forums.speedlife.net/u/crazybrew609)\
**Post date:** [August 27, 2009, 10:36am UTC](https://forums.speedlife.net/t/evolution-of-my-x-mods-dyno-graphs-inside/245983/61 "2009-08-27T10:36:35Z")

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> [@FS:Honda/Acura engine parts](https://forums.speedlife.net/t/fs-honda-acura-engine-parts/21942/18):
>
> wait, y are u getting a new exhaust? and whats a mini muffler?

he said the stock o2 housing was the daddy of all o2 housings, after talking to his tuning shop they said the stock housing causes issues due to it tapering down to a 2" collector, they said he needed a full 3" exhaust so he could make another 35~ hp…

so now doing a full turbo back to get a full 3" exhaust to make more “easy” hp

god my work day goes from “no modding” to “450 whp build”

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