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Automotive

DC Sports Muffler Silencer 2.5" Inner CoreDiameter Inner Core SIL2500

Automotive4.4· 757 Amazon ratings

Bias-adjusted across 757 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

70.5%
Percentile · Global
75.6%
Percentile · Cohort
Automotive
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DC Sports Muffler Silencer 2.5" Inner CoreDiameter Inner Core SIL2500

How the score was built

Amazon ratings
757

used for the Bayesian percentile

Raw star average
4.4 / 5

unadjusted Amazon mean

Bayesian avg
4.39

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Automotive

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