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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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For Your Every Summer RSVP, with Code: SUMMER15
Description
K&N Engineering 33-2004 FITS:K&N 77-83 Porsche 911 CSI F/I Drop In Air Filter Air Filters Drop InK&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. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your
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. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile 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!Technical Bulletin
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1974 | Porsche | 911 | Base |
| 1974-1977 | Porsche | 911 | S |
| 1978-1983 | Porsche | 911 | SC |
| 1976-1977 | Porsche | 911 | Turbo Carrera |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
True to size
Size: XX-Large, Color: Red-2 Pieces
Love this item true to fit
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Reviewed in the United States on May 9, 2026
★★★★★ 1
Not even close on the size
Size: 3X-Large, Color: White
Size is not even close to correct. Ordered a 3xl but the actual size was closer to a XL or even a large. Be wary on the sizes. They are not accurate
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Nice suit but runs way too big
Size: Medium, Color: Blue-2 Pieces, Size: Medium, Color: Blue-2 Pieces
Medium fit like an extra large had to get tailored for my husband for our wedding kind of an inconvenience other than that it was a very nice suit and it looked great!!
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Reviewed in the United States on August 9, 2025
★★★★★ 5
Great prom suit
Size: X-Small, Color: Royal Blue-3pieces
The quality is awesome. Just needed a few alterations and my done is set for the prom
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Fun alternative to traditional tuxedo
Size: Large, Color: Black-2 Pieces, Size: Large, Color: Black-2 Pieces
Fairly good quality. Hubby wore this as fun alternative to his regular tux in a cruise elegant night. Looked sharp and we even got family pictures in it.
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Reviewed in the United States on September 13, 2025