Cast Iron Exhaust Collector from Japan
Large cast iron collector box equalizing exhaust pulses from multiple cylinders before turbo on performance trucks. HTS 8708.92.70.00 for complex cast iron exhaust parts. Log-style manifold design maximizes low-end torque.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Runner volume calculations prove collector function
• Sand casting imperfections documented as normal
• OEM replacement status simplifies CARB approval