# Backfiring when not on throttle?

**URL:** <https://forums.speedlife.net/t/backfiring-when-not-on-throttle/112512>\
**Category:** SON240sx Automotive\
**Created:** [January 17, 2008, 4:41pm UTC](https://forums.speedlife.net/t/backfiring-when-not-on-throttle/112512 "2008-01-17T16:41:57Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![Hector](https://avatars.discourse-cdn.com/v4/letter/h/43a26b/32.png) [@Hector](https://forums.speedlife.net/u/Hector)\
**Post date:** [January 19, 2008, 8:03am UTC](https://forums.speedlife.net/t/backfiring-when-not-on-throttle/112512/14 "2008-01-19T08:03:47Z")

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> [@FS: 6 1/2" Speakers + Subwoofers + Amp](https://forums.speedlife.net/t/fs-6-1-2-speakers-subwoofers-amp/14942/8):
>
> LMFAO, thanks, i will do a tune up asap. What spark plugs do you recommend though? Its a ka24e.

ngk, v-groove, g-power , iridium. whatever your pockets can afford

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