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HSChapter 87
U.S. imports of mufflers and exhaust pipes for motor vehicles (HS 870892) totaled $102.8M in July 2026, traded with 56 countries.
Importers of Mufflers and Exhaust Pipes for Motor Vehicles paid $16.1M in duties in July 2026 — an effective duty rate of 22% on $72.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataMufflers and exhaust pipes for motor vehicles — including both complete assemblies and their component parts — are subject to Section 232 tariffs when originating from certain countries, a consideration that weighs heavily on aftermarket and OEM supply chains. The US schedule separates agricultural tractor applications (8708921000) from other vehicle uses (8708925000) and further distinguishes parts of mufflers (8708928000) from complete assemblies, requiring importers to assess both the vehicle type and the level of manufacture. Mexico and Canada dominate supply, reflecting deep integration with North American vehicle assembly platforms, while Germany and Japan supply premium and OEM-specification components.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
9.0K shipments/mo
CBP applies the essential character and commercial identity tests: a complete muffler or exhaust pipe presented ready for installation is classified under the assembly lines (8708921000 or 8708925000), while sub-components such as baffles, shells, or inlet/outlet tubes that are not themselves complete assemblies fall under 8708928000. Importers should document the component's function and stage of manufacture in the entry package to support the classification.
The tariff schedule maintains separate 10-digit lines for agricultural tractor mufflers (8708921000 and 8708926000) versus those for other vehicles (8708925000 and 8708927500). The practical significance is that agricultural tractor parts may have different Section 232 exposure and different USMCA content-calculation treatment than passenger car or light-truck exhaust systems. Importers should confirm the vehicle-type classification before filing, as misidentification between agricultural and non-agricultural lines is a common audit finding.
Subheading 13 of 15 in heading 8708
Subheading 870892 · $102.8M of $7.0B
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ImportsExports
Imports
$102.8MYoY · Pro
Exports
$50.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8708925000 | Mufflers and Exhaust Pipes for Vehicles, NESOI | $75.4M | 16.03% | 72.03% | $12.1M |
| 8708927500 | Parts,NESOI,of Mv,NESOI, Hds 8701-8705, Of Muffler | $31.0M | 18.48% | 74.47% | $5.7M |
| 8708921000 | Mufflers and Exhaust Pipes for Tractors for Agr | $1.0M | 19.06% | 97.84% | $198K |
| 8708926000 | Parts of Tractors for Agr Use:mufflers | $520K | 25.13% | 100.00% | $131K |
| 8708927000 | Cast Iron Parts of Motor Vehicles, 8701to8705 Muff | $454K | 22.24% | 95.04% | $101K |
| 8708926500 | Parts of Tractors, NESOI, Ex for Agr Use: Mufflers | $87K | 24.42% | 100.00% | $21K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8708925000 | Mufflers and Exhaust Pipes for Oth Vehicles, NESOI | $33.3M |
| 8708928000 | Parts and Acessories for Mufflers | $14.3M |
| 8708921000 | Mufflers and Exhaust Pipes for Tractors for Agr | $7.2M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Mexico and Canada together supply 48% of it.
customs district
destination
entry
rate provision · imports
25.6% enters free of duty; the effective duty rate is 15.70%.