Frap Tools CUNSA Quad Multi-Mode Filter

Marsoni

M251S

$949.50

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

Frap Tools CUNSA Quad Multi-Mode FilterCUNSA is a 42hp quadruple analogue pingable multimode resonant filter, saturator, mixer, and oscillator. Gently even a patch, or completely transform your sound with spunk on tap. Consisting of four multimode resonant filters it features a custom saturation and feedback control that you can use independently or in various combinations and roles with a series of semi normalisations. Video: https: youtu. be Z7BzZkXesIE Product Specs Item Number: 27326

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We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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Got this to replace cabin air filter on 2020 Honda Civic Sport, as it said it was a direct fit… It does fit but not perfectly! Holding it next to the filter you can see the size difference, with the original being slightly longer. I noticed a whistling sound from the AC at full blast right after install. I believe this noise is caused by the small gap left in the retainer box with the slightly smaller filter. Luckily it is not incredibly loud, but it’s still there. The quality of filtration seems to be much better than stock filter, but the fitment not exact for vehicles mentioned above.

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Reviewed in the United States on May 17, 2026

Verified Purchase

Bon43

Boise, US

★★★★★ 5

Awesome

Easy to install. Fit appropriately. Value for the money for sure.

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Reviewed in the United States on September 26, 2025

Verified Purchase

tprizzle

Fort Morgan, US

★★★★★ 5

Will continue to repurchase

I have purchased this product multiple times for my Honda CRV. Works great and is actually pretty easy to install. I will definitely repurchase once the time comes to replace again. Great value for the price compared to at the dealership

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Reviewed in the United States on June 1, 2025

Verified Purchase

Amazon Customer

New York, US

★★★★★ 5

Good engine filter at a fair price

Worked for my 2018 Honda CR-V. Arrived quickly. Make sure you check the shape of your filter before ordering. I originally ordered a rectangular filter that Amazon said would work for my car. I was able to return it and order the correct one.

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Reviewed in the United States on April 1, 2026