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K&N Air Filter Porsche 718 Boxster / Cayman (2017+)

SKU: KNN33-3078
Price
$83.99
In Stock and Ready to Ship!

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Installation Services

Don’t worry about the hassle — let our expert team at Forza Motorworks handle the installation for you. Our professional installation ensures everything fits and operates exactly as intended, giving you clean, factory-quality results, proper wiring or mounting, and avoiding the risks of DIY mistakes. You’ll save time, avoid frustration, and get peace of mind knowing the job is done right the first time. Contact us to learn about our installation services and enjoy a seamless upgrade from day one.

FAQ

Shipping Information
For items that are in stock, purchases made after 9am EST will be usually be shipped out in the next 1-2 business days. Please inquire to confirm lead times if you have specific time constraints. Orders will be sent via signature required at our discretion unless otherwise requested.

International Shipping
Any and all customs duties, taxes, import fees, and/or tariffs assessed in connection with the purchase shall be the sole responsibility of the customer/end user.

Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused and in its original packaging. All returns are subject to a restocking fee based on item and package condition. Buyer is responsible for paying for return shipping costs. If you need a return label, we will email you a return label and deduct cost from refund. Original shipping costs are not refundable. Special order items are not eligible for return.

Cancellation Policy
In order to cancel your order you must email within 24 hours of placing your order or before your order has shipped, whichever occurs first. Special order items are not eligible for cancelation.

Exchange Policy
We have a 30-day exchange policy, which means you have 30 days after receiving your item to request an exchange. To be eligible for an exchange, your item must be brand new in box. Buyer is responsible for paying all shipping costs to exchange product.

Product Description

The K&N 33-3078 High-Flow Replacement Air Filter is engineered to boost intake airflow and engine efficiency for cars like the Porsche 718 Boxster and Cayman. Its layered and oiled cotton-gauze media offers far greater breathing capability than standard paper filters, while still delivering strong filtration — providing crisper throttle response and potentially smoother power delivery. As a washable, reusable filter with a lifetime limited warranty, it’s a smart, long-term upgrade that blends performance with convenience and sustainability.

Fitment Notes

  • Designed to fit Porsche 718 Boxster and 718 Cayman (982 generation, 2017-on). 

  • Installs as a drop-in replacement for the factory air filter — no modification, adapters, or tuning required.

  • Uses OEM airbox sealing geometry to maintain proper intake sealing and filtration integrity when properly installed.

Included

  • One (1) washable, reusable high-flow air filter (panel-style, pre-oiled)

  • Factory-fit sealing lip/frame to ensure proper airbox closure and airtight seal

Product Specs

  • Media: Multi-layer cotton gauze with protective mesh — designed to flow more air than stock paper filters.

  • Dimensions: Approximately 11.563 in (length) × 11.125 in (width) × 1.625 in (height). 

  • Washable / Re-usable: Yes — can run for many years if cleaned and re-oiled at proper intervals (typically every ~75,000 miles under normal driving conditions). 

  • Filtration Efficiency: Up to 99% — multiple layers of gauze and treatment media work to trap contaminants while maximizing flow. 

  • Construction: Durable washable media with molded sealing frame to ensure a tight airbox fit and minimize leaks.

Product Features

  • Improved Airflow & Engine Breathing — Cotton-gauze media flows more air than stock filters, supporting better throttle response and engine efficiency.

  • Reusable & Long-Term Value — Washable and reusable design eliminates repeated filter replacements, saving money and reducing waste over the vehicle’s life.

  • Strong Filtration & Engine Protection — Multi-layer filter structure effectively traps dust and contaminants while allowing high airflow.

  • Easy, Bolt-In Upgrade — Simple drop-in installation — no tools or modifications needed.

  • Durable Build & Warranty — Designed with robust materials and backed by a lifetime limited warranty, giving confidence for long-term use.

  • Eco-Friendly Alternative — Replacing disposable paper filters with a reusable solution helps reduce waste from frequent filter changes.