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Enhance your Honda Civic Si's performance with the K&N Engineering Typhoon Cold Air Intake System, designed specifically for models from 2017 to 2020. This system features a mandrel-bent aluminum intake tube that optimizes airflow, resulting in a guaranteed increase in horsepower and torque. The oversized, conical High-Flow Air Filter employs oiled cotton media, allowing for up to 100,000 miles of maintenance-free operation under normal highway conditions. Its washable and reusable design offers long-term value and consistent performance. The system includes a custom heat shield or air box, effectively protecting the intake air from engine bay heat to ensure cooler, denser air intake for improved engine efficiency and power output.
Features:
Fitment:
2017 Honda Civic Si
2018 Honda Civic Si
2019 Honda Civic Si
2020 Honda Civic Si
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
