# top end power loss sr20det

**URL:** https://forums.speedlife.net/t/top-end-power-loss-sr20det/118757
**Category:** SON240sx Automotive
**Created:** [September 26, 2008, 9:54am UTC](https://forums.speedlife.net/t/top-end-power-loss-sr20det/118757 "2008-09-26T09:54:10Z")
**Posts on this page:** 1
**Showing post:** 13

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### Author: ![Gonad](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/gonad/32/5481_2.png) [@Gonad](https://forums.speedlife.net/u/Gonad)
#### Post date: [September 26, 2008, 11:49pm UTC](https://forums.speedlife.net/t/top-end-power-loss-sr20det/118757/13 "2008-09-26T23:49:30Z")

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> [@Wallet Phone!](https://forums.speedlife.net/t/wallet-phone/18499/19):
>
> my injectors were bad and was was non-functional so i got the 550’s from someone…  
> what would be the best fuel management system to run on the sr set-up?

Best? You have a few choices: AEM EMS, Power FC, Haltech, Motec, just to name a few etc. Prepare to spend $1000-$1500 + tuning

Or, if you just want to get the 550 working, get an SAFC - ~$200 and a few hours and you’re set.

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