What are the most effective ways to improve sound insulation inside a Prius?

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What are the most effective ways to improve sound insulation inside a Prius?

Some owners find the Prius cabin noisier than expected, especially on highways. Discussing door seals, underbody insulation, and aftermarket soundproofing solutions can improve ride comfort.

Sirat Ul Jinan asked on 13 Feb 2025 11:35:31 am

1 Answer

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Car Mechanic Expert - on 13 Feb 2025 11:48:58 am

Some owners find the Prius cabin to be noisier than expected, especially on highways. To improve sound insulation:

Effective Solutions:

Add Door Seals: Replace old o r worn-out seals around the doors to reduce road noise.
Underbody Insulation: Adding soundproofing materials under the car can help absorb road noise.
Aftermarket Soundproofing: Products like Dynamat can be applied inside doors and panels to reduce external noise.