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The K&N 33-2451 is a high-performance replacement air filter designed for Hyundai Elantra 1.6 and 1.8 models. It delivers a measurable horsepower boost (1-4 HP), exceptional airflow with OE-level filtration, and is washable and reusable for up to 50,000 miles, ensuring long-term engine protection and cost savings. Engineered with race-proven cotton gauze technology, it fits perfectly without voiding your vehicle warranty.





| ASIN | B003LS15XY |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #108,429 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #233 in Engine Air Filters |
| Brand | K&N |
| Brand Name | K&N |
| Country of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 792 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00024844282620 |
| Item Shape | Rectangular |
| Item Weight | 363 g |
| Manufacturer | K&N |
| Manufacturer Part Number | 33-2451 |
| Model | 33-2451 |
| OEM Equivalent Part Number | 281131R100, 281132S000, 281132S100, 281133S000, 281133X000, 281133Z100, K281133X000 |
| OEM Part Number | 281131R100, 281132S000, 281132S100, 281133S000, 281133X000, 281133Z100, K281133X000 |
| Product Grade | Performance,Replacement |
| Shape | Rectangular |
| UPC | 024844282620 |
| Unit Count | 1.0 Count |
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