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8th Gen Honda Civic Si
and track use
37820-R40-A31 through A39
This knob is machined from Delrin
2022+ Honda Civic 1.5T High Volume Intake System and Cold Air Duct Bundle Nissan 8th Gen Honda Civic SiFITS: 11th Gen Honda Civic 11th Gen Honda Civic Si 5th Gen Acura Integra THIS IS A SPECIAL ORDER ITEM Weve packaged our High Volume Intake System with the Auxiliary Cold Air Intake Duct to give your 11th Gen Civic 1. 5T the complete intake solution it deserves. This pairing improves airflow, supports optimal fuel trims, and reduces heat soak for consistent performance in daily driving or track runsall while maintaining OEM fitment and finish. Both
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