# Anyone using J&S safeguard?

**URL:** <https://forums.speedlife.net/t/anyone-using-j-s-safeguard/24029>\
**Category:** NYSpeed Automotive\
**Created:** [February 3, 2007, 4:23pm UTC](https://forums.speedlife.net/t/anyone-using-j-s-safeguard/24029 "2007-02-03T16:23:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ddrop](https://avatars.discourse-cdn.com/v4/letter/d/8e7dd6/32.png) [@Ddrop](https://forums.speedlife.net/u/Ddrop)\
**Post date:** [February 3, 2007, 4:23pm UTC](https://forums.speedlife.net/t/anyone-using-j-s-safeguard/24029/1 "2007-02-03T16:23:57Z")

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Im trying to see if this thing is worth getting. Everyone on the mazda forums recommended this device. I mentioned about using knock control on my megasquirt instead and pretty much got flamed for it. i just dont understand why i should dish out $6-700 for this when i can just rig something up with my megasquirt. It seems like a cool thing to have if you have a piggyback or fmu setup with no knock control. Can anyone tell me how this compaires to knock control in megasquirt or other stand alone systems other then “its just better”?

[http://www.jandssafeguard.com/safeguard.html](http://www.jandssafeguard.com/safeguard.html)