Ragg Tuning Fork C523.3 by John Walker

Marsoni

M251S

$23.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Ragg Tuning Fork C523.3 by John WalkerRagg Tuning Fork C523. 3 a high quality tuning fork made in the UK The classic John Walker blued steel tuning fork is hand crafted using traditional methods to ensure the best possible quality and accuracy. These world renowned blue steel tuning forks are made from hardened tempered steel and tuned at 20C to achieve pure notes of strong duration. For more information or further details, please do not hesitate to contact us. Email:

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We offer a 30-day return/exchange service after receiving.
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I use K&N on all vehicles that I have owned. It has always given extra MPGs and extra HPs. Always easy to install, easy to clean and maintain. if you keep your vehicle as long as I do (my last two vehicles, a 2001 Toyota Sienna lasted 18 years, and 2000 honda civic LX lasted 17 years), this filter pays for itself and more! definitely worth the price. I bought one now for my new Honda Civic EX hatchback which I will also drive until it breaks which could be 2 decades from now - imagine how much I will save on regular air filter purchases and extra mpgs. very well worth the price!

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Reviewed in the United States on February 26, 2023

Verified Purchase

Junebug

Lexington, US

★★★★★ 5

Great product saves money.

Fits as it should

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Reviewed in the United States on May 21, 2026

Verified Purchase

Sarah

Louisville, US

★★★★★ 5

Best Air Filter EVER

I have used these in my cars for years. They improve turbo lag significantly, increase air flow, and just work. What I like best about these, beside the protection they offer the air intake system, is that they truly are a life long product. My last car had one in it for 13 years. With a cleaning every 25K miles as outlines by KN the air filter just continued to work and work. I recently purchased one for my new Honda CR-V and had it installed at the dealership at 500 miles when I was getting an oil change to flush out the build lube. The mechanic who did the work left me a note that said "great filter, I love these"

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Reviewed in the United States on July 13, 2019