GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Aftermarket Sparkplugs?

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Old 03-23-08, 12:05 PM
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MRxSLAYx
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Default Aftermarket Sparkplugs?

Has anyone changed their spark plugs to aftermarket? And if so, how has the cars performance changed?
Old 03-23-08, 12:18 PM
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flipside909
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Spark plugs unfortunately don't give you a "performance boost" if you will. Since about 2002-2003, Lexus switched from the u-groove dual tipped platinum to OE Denso Iridium spark plugs, not to be confused with the Denso Iridium Hi Power (shorter lifespan).
Old 03-23-08, 12:32 PM
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I noticed that the stock plugs were actually really good, so i didn't change them. Though many manufacturers offer products. Thanks for the info
Old 03-23-08, 12:34 PM
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flipside909
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Yeah it's all about marketing hype, don't fall into it. Iridium is the best out there.
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