SKU: E-0668 | UPC: 024844312167
K&N E-0668 Replacement Air Filter for 2008-2013 Audi R8 4.2L V8
K&N E-0668 is a direct drop-in replacement high-flow air filter designed for 2008-2015 Audi R8 models and 2013-2014 Porsche Boxster Cayman. This washable reusable filter uses layered oiled cotton media to boost airflow increase horsepower and protect the engine from contaminants. Backed by K&N No-Hassle Lifetime Limited Warranty it lasts the life of your vehicle while saving money over disposable filters.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that traps dirt and contaminants while allowing more air through
- Clean Every 5 Years: Requires cleaning only every 75000 miles under normal highway driving or 5 years at 15000 miles per year
- Easy Installation: Pre-oiled and ready to drop into factory airbox for quick performance gains with no tools needed
- Engineered Power: Advanced media design boosts horsepower acceleration and engine performance
- Reusable Saves Money: One K&N filter replaces multiple disposables saving up to $125 over 200000 miles versus OE filter MSRP
Product Notes
- Filter measures 9.188 in L x 7.563 in W x 1.063 in H weighs 1 lb
- Clean with K&N Recharger kit every 75000 miles for longevity
- Ships in protective box 9.19 x 7.56 x 1.75 inches
Installation Notes
- Professional installation recommended.
- Remove factory filter and drop in K&N E-0668 no cutting or modifications
- Compatible with OEM airbox hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2012 | Audi | R8 | Base |
| 2014-2015 | Audi | R8 | Base |
| 2011-2012 | Audi | R8 | Spyder |
| 2014-2015 | Audi | R8 | Spyder |
| 2013-2014 | Porsche | Boxster | Base |
| 2013-2014 | Porsche | Boxster | S |
| 2014 | Porsche | Cayman | Base |
| 2014 | Porsche | Cayman | S |
Why Choose K&N?
- Over 60 years designing performance filters used worldwide
- Manufactured with premium materials for lifetime durability
- Engineered in USA for precise vehicle fit and power gains
Frequently Asked Questions
- Q: Will E-0668 fit my 2010 Audi R8 4.2L V8?
A: Yes fits all listed 2008-2015 Audi R8 Base and Spyder models with 4.2L V8 engine - Q: What is the filter material?
A: Layered oiled cotton gauze panels with rubber edging for secure seal and high airflow - Q: What does the warranty cover?
A: No-Hassle Lifetime Limited Warranty covers defects in materials or workmanship limitations apply see K&N site
Shipping & Handling
- Method: UPS or USPS Ground
- Availability: In stock – ships same or next business day
- Packaging: K&N branded box 9.19 x 7.56 x 1.75 inches
- Weight: 1 lb
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