Cast Iron Exhaust Collector from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Runner volume calculations prove collector function
• Sand casting imperfections documented as normal
• OEM replacement status simplifies CARB approval