LS1 3.5" DMH cutout
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Uploader Comments (turbotron2)
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All Comments (6)
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I would definitely have to agree with that
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that idle with the cutout open is bad ass
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DMH is the best quality!
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both sound nice
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i noticed with them open the service engine soon light comes on?
Nascarlee 2 years ago
it was on the whole time, i believe it was from a bad O2 sensor at the time.
turbotron2 2 years ago