Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Your cart
-
0-9
-
A
-
B
-
R
-
S
K&N Engineering
K&N E-0668 High-Flow Replacement Air Filter for Select Audi & Porsche 2008-2015 (4.2L)
$346.99
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits 2008-2015 Audi R8 and 2013-2014 Porsche Boxster and Cayman models (4.2L). This K&N High-Flow Air Filter is a direct-fit replacement designed to improve airflow and capture contaminants using K&N's signature layered, oiled cotton media.
Unlike disposable paper filters that require frequent replacement, the E-0668 is washable and reusable, engineered to last for the entire lifespan of your vehicle. This drop-in design installs easily into your factory air box without the need for specialized tools or modifications, providing an efficient way to reduce landfill waste while maintaining high filtration standards.
- Manufacturer Part Number: E-0668
- Filter Media: Layered, oiled cotton
- Fitment Type: Direct OE replacement
- Service Interval: Washable and reusable
- Warranty: 10-Year/Million Mile Limited Warranty
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2012,2014-2015 | Audi | R8 | Base |
| 2011-2012,2014-2015 | Audi | R8 | Spyder |
| 2013-2014 | Porsche | Boxster | Base |
| 2013-2014 | Porsche | Boxster | S |
| 2014 | Porsche | Cayman | Base |
| 2014 | Porsche | Cayman | S |
Choose your Location
-
Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
Product Comparison
How they are Different
|
__ __ |
|
|---|---|
| Description |
Description - __ |
| Rating |
Rating - __ |
| Vendor |
Vendor - __ |
| Color |
Color - __ |
|
|
Compare products ( / )
The Atlus Price Guarantee
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
K&N E-0668 High-Flow Replacement Air Filter for Select Audi & Porsche 2008-2015 (4.2L)
$346.99
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
Price Match
Our prices are updated daily to ensure we can offer you the best possible price. In the unlikely case that you have found a lower price, please contact us at hello@atlusauto.com and we'll do our best to answer your query right away!
Easy Financing
We've partnered up with Affirm/Shop!
Why use Affirm/Shop?
- Clear application process
- Friendly support team
- Spread a big payment interest-free
- Ability to buy what you want
How does it work?
- Add your purchase to cart
- Select Shop Payments at checkout
- Complete the application
- Compare any available finance options
Share:
$346.99
$346.99
$346.99
Fits 2008-2015 Audi R8 and 2013-2014 Porsche Boxster and Cayman models (4.2L). This K&N High-Flow Air Filter is a direct-fit replacement designed to improve airflow and capture contaminants using K&N's signature layered, oiled cotton media.
Unlike disposable paper filters that require frequent replacement, the E-0668 is washable and reusable, engineered to last for the entire lifespan of your vehicle. This drop-in design installs easily into your factory air box without the need for specialized tools or modifications, providing an efficient way to reduce landfill waste while maintaining high filtration standards.
- Manufacturer Part Number: E-0668
- Filter Media: Layered, oiled cotton
- Fitment Type: Direct OE replacement
- Service Interval: Washable and reusable
- Warranty: 10-Year/Million Mile Limited Warranty
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2012,2014-2015 | Audi | R8 | Base |
| 2011-2012,2014-2015 | Audi | R8 | Spyder |
| 2013-2014 | Porsche | Boxster | Base |
| 2013-2014 | Porsche | Boxster | S |
| 2014 | Porsche | Cayman | Base |
| 2014 | Porsche | Cayman | S |
Authencity Guaranteed
We only sell authentic products from verified brand partners and retail partners globally.
Can’t Find the Part You Need?
Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.
Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.
- Choosing a selection results in a full page refresh.
- Opens in a new window.
