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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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