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Upgrade your Porsche 944 with the K&N Engineering High-Flow Replacement Air Filter, part number knn33-2640. Designed to fit 1987 and 1988 models, this air filter features a layered, oiled cotton media engineered to maximize airflow and trap contaminants effectively. Its innovative design promotes increased horsepower and improved engine performance while maintaining exceptional filtration capabilities. Ideal for drivers seeking a durable, reusable filter that enhances vehicle efficiency, this product is a direct drop-in replacement for your factory air box, allowing for quick and hassle-free installation.
K&N*s high-flow air filters are crafted to last the lifetime of your vehicle, made from premium, washable materials that can be cleaned and reused multiple times. The filter*s layered cotton media is engineered to provide superior airflow without compromising filtration, ensuring your engine breathes easier and performs better. Backed by K&N*s 10-Year/Million Mile Limited Warranty, it offers peace of mind and reliable performance. Whether you're looking to boost your Porsche*s horsepower or improve overall engine health, this filter delivers consistent results and improved throttle response.
Designed with quality and durability in mind, the K&N High-Flow Air Filter is an excellent upgrade for automotive enthusiasts who demand top-tier performance. It does not require special maintenance, simply clean and re-oil as needed to maintain peak efficiency. Engineered to fit seamlessly into your vehicle*s existing air intake system, this filter is an ideal choice for those seeking a combination of performance, longevity, and ease of installation.
Features:
Fitment:
1987 Porsche 944 S
1988 Porsche 944 S
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).
