Mufflers and exhaust pipes for motor vehicles

US trade by year

US imports were $1.30B in the 12 months to Aug 2026, up 44% on the 12 months to Aug 2017. US exports were $590.1M, down 18%. In January 2022 the HS 2022 revision moved some goods between this code and 8524.11, 8524.12, 8524.19 and 4 more, so part of a change across the dashed line can be the revision. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Mexico
• Canada
• Germany
• China
• All countries

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Average prices aren't shown because this product's lines are counted in different units.

The 3 largest suppliers had 65.0% of US imports over the last 12 months.

How the market is shifting

Canada gained the most share: 17.6% of US imports over the last 12 months, up from 15.5% in the 12 months before. Poland lost the most: 1.0%, down from 3.2%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Mexico
• Canada
• Germany
• China
• All countries

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

1. January–June 2026 · Duty paid: Mexico 24.7% → 12.1%, Canada 16.4% → 7.5%, Germany 44.7% → 9.1%, China 77.0% → 60.3%, Japan 38.3% → 19.3%, all countries 38.5% → 22.6%.
2. August–September 2025 · Duty paid: Mexico 4.6% → 27.7%, Canada 5.2% → 27.8%, Germany 12.3% → 44.7%, China 63.2% → 77.0%, Japan 12.4% → 41.9%, all countries 14.3% → 38.5%.
   • Adoption and Procedures of the Section 232 Steel and Aluminum Tariff Inclusions ProcessAug 19, 2025 · Bureau of Industry and Security
3. February–April 2025 · Duty paid: Canada 1.2% → 6.4%, Germany 2.4% → 9.8%, China 27.3% → 62.7%, Japan 2.5% → 11.7%, all countries 5.5% → 13.4%.
4. June 2019 · Duty paid: China 12.2% → 25.9%.
5. October 2018 · Duty paid: China 2.4% → 12.2%.
   • Request for Comments Concerning Proposed Modification of Action Pursuant to Section 301: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and InnovationJul 17, 2018 · Office of the US Trade Representative

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 123 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

The biggest market outside the US is Germany, which imported $1.01B of this product in 2025, 1.0% of that from the US.

The US supplies 35.2% of imports into Mexico and 75.1% into Canada, but under 10% into Germany, the Czech Republic and Poland.

Related products

Other products under heading 8708: parts and accessories for tractors, public-transport passenger vehicles, motor cars, goods transport motor vehicles and special purpose motor vehicles. US trade over the 12 months to August 2026.