Porsche 991 GT3 Intake Manifold from Canada
Carbon fiber resonance-flap intake manifold for Porsche 991 GT3 3.8L naturally aspirated flat-six spark-ignition engine. Features individual throttle bodies and velocity stacks. Principal part 8409.91.99 for spark-ignition induction system.
Duty Rate — Canada → United States
12.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Throttle body flange dimensions and resonance chamber volumes prove GT3 fitment
• Carbon weave pattern and autoclave cure specs validate OEM-equivalent construction
• Universal manifolds classify under 8421.39 air filters