# How much HP will an exhaust add?

**URL:** https://forums.speedlife.net/t/how-much-hp-will-an-exhaust-add/254202
**Category:** Shift518 Automotive
**Created:** [August 28, 2010, 4:58pm UTC](https://forums.speedlife.net/t/how-much-hp-will-an-exhaust-add/254202 "2010-08-28T16:58:55Z")
**Posts on this page:** 1
**Showing post:** 46

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### Author: ![Alpine](https://avatars.discourse-cdn.com/v4/letter/a/4da419/32.png) [@Alpine](https://forums.speedlife.net/u/Alpine)
#### Post date: [August 29, 2010, 2:31pm UTC](https://forums.speedlife.net/t/how-much-hp-will-an-exhaust-add/254202/46 "2010-08-29T14:31:49Z")

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> [@WTB: Dresser/Chest](https://forums.speedlife.net/t/wtb-dresser-chest/34643/11):
>
> supporting mods such as what? the only supporting Mods I had, running 15psi on a T72 (bone stock motor/tranny/rear) was 42lb LS1 injectors.
> 
> Ask john. He will tell ya. Fuck, I even had the stock fuel pump.

Nice. So where is the car now?

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