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K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower for your Cadillac CT4 2.0L Turbo, CT4-V 2.7L Turbo or CT5 2.0L Turbo. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
| Air Filter Shape | Panel |
| Air Filter Material | Cotton Gauze |
| Washable | Yes |
| Height | 1.188 in (30 mm) |
| Outside Length | 10.813 in (275 mm) |
| Outside Width | 9.625 in (244 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | No-Hassle Lifetime Limited |
| Product Style | Panel Air Filter |
| Weight | 1.1 lb (0.5 kg) |
| Filter Re-Oiling Amount | 1.81 oz (54 ml) |
| Product Box Height | 11.59 in (294 mm) |
| Product Box Length | 10.47 in (266 mm) |
| Product Box Width | 1.75 in (44 mm) |
For over 50 years, K&N® has been an industry-leader in automotive filtration and technology—offering products to increase performance, protection, and longevity in thousands of vehicle applications for consumers worldwide. In the early 1960s, two motorcycle racers, Ken Johnson, and Norm McDonald (K&N), developed a ground-breaking new idea for an air filter—one that could perform under the demands of dusty, dirty off-road environments. After experimenting with numerous types of filter media, they discovered that an oiled cotton design allowed the filter to not only capture contaminants very efficiently, but also allowed it to be washed and reused, and the original K&N® High-Flow Air Filter™ was born. Five decades later, K&N® is still innovating industry-leading filtration technology and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. In addition to performance air filters, K&N® now manufactures a variety of other protection and performance products, including air intake systems, oil filters, fuel filters, cabin air filters, and home air filters, with a reputation for exceptional quality and customer service that millions of customers’ trust.
