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Automotive

Viper Flexible Muffler Pipe For 50cc 80cc Bike Gas Engine Motor Parts Black

Automotive4.3· 191 Amazon ratings

Bias-adjusted across 191 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

44.2%
Percentile · Global
47.4%
Percentile · Cohort
Automotive
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Viper Flexible Muffler Pipe For 50cc 80cc Bike Gas Engine Motor Parts Black

How the score was built

Amazon ratings
191

used for the Bayesian percentile

Raw star average
4.3 / 5

unadjusted Amazon mean

Bayesian avg
4.30

raw rating shrunk to the category prior

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Same category · Automotive

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