Anybody ever try Exp4 additives?
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Anybody ever try Exp4 additives?
Saw it on an automotive show tonight. They did a before and after dyno and they got about a 5% hp increase with the oil and gas additives. This is the website: www.exp4additives.com
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James92SE
3rd Generation Maxima (1989-1994)
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01-02-2024 09:23 AM