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K&N 77-83 Porsche 911 CSI F/I Drop In Air Filter

Marsoni M251S
Sale price$157.99
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K&N 77-83 Porsche 911 CSI F/I Drop In Air FilterSKU: 33 2004 UPC: 024844001658 K&N 33 2004 Replacement Air Filter for 1974 1983 Porsche 911 K&N 33 2004 is a direct drop in replacement high flow air filter designed for 1974 1983 Porsche 911 models including Base S SC and Turbo Carrera. This washable reusable filter uses layered oiled cotton media to deliver more airflow for increased horsepower and acceleration while trapping contaminants for engine protection. Backed by K&N No Hassle Lifetime
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 1346 reviews
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Verified Purchase
Denise F.
Charlottesville, US
★★★★★ 5
Good price
Size: CB-M03H
Good price appears sturdy good instructions
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 4
Nice
Size: CB-M03H
Could be a bigger one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
E
Verified Purchase
Eric
Port Orchard, US
★★★★★ 5
These hog out the hole nicely
Size: CB-M03H
These hog out the hole nicely
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
M
Verified Purchase
Michael R.
Fort Morgan, US
★★★★★ 5
Very nice product.
Size: CB-003
Haven’t needed to use it yet, but it is definitely a quality product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
M
Verified Purchase
M. M. C.
Whiting, US
★★★★★ 5
It works
Size: CB-M03H
I use it on a power tool as regular drill bits seem to not work to well with the plugs. They leak air. Doing it by hand is to hard
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025

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