IE Polymer Air Intake System For Audi B9/B9.5 A4 & A5 2.0T

IE Polymer Air Intake System For Audi B9/B9.5 A4 & A5 2.0T

Marsoni

M251S

$261.50

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

IE Polymer Air Intake System For Audi B9/B9.5 A4 & A5 2.0TDetails The IE Polymer Air Intake System delivers performance, sound, and style to your Audi B9 B9. 5 A4 or A5 2. 0T engine. Our specialty polymer construction maintains low intake air temps and brings an affordable motorsport design to your engine bay. Enjoy easy power gains and turbo noise without sacrificing quality. LEADING FEATURES Rotomold polymer for superior heat resistance Up to 10 20HP over stock (with software)\ Increased turbo & engine

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We offer a 30-day return/exchange service after receiving.
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I installed this K&N Lifetime Cabin Air Filter in my 2016 F-150 and noticed the difference right away. The airflow is stronger, and the cabin smells fresher even when driving through dusty or humid areas. What I really like is that it’s washable and reusable—so I won’t have to keep buying filters every year. Fitment was perfect and install took under 10 minutes. Just pop out the old one, slide this one in, and you’re good to go. It feels solid and well made, not like those cheap paper ones. It’s definitely worth the investment, especially if you drive a lot or have allergies. Highly recommend for anyone with a Ford or Lincoln vehicle—it pays for itself quickly!

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Reviewed in the United States on July 3, 2025

Verified Purchase

Bill

Los Angeles, US

★★★★★ 5

Fit 2024 F250 Platinum

Size: 1.9" x 9.9" x 11.4"

Good quality, perfect fit.

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Reviewed in the United States on April 16, 2026

Verified Purchase

JAMES ERIK FOREHAND

Dallas, US

★★★★★ 5

Great

Size: 1.9" x 9.9" x 11.4"

Great value for the money and easy to install.

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Reviewed in the United States on May 10, 2026

Verified Purchase

Mark Liszkiewicz

Waukegan, US

★★★★★ 5

nice quality

Size: 1.9" x 9.9" x 11.4"

I happen to be a fan of K&N air filters. Fit perfect in my vehicle. Seems like a much nicer quality filter than the cheapo filters from the parts store.

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Reviewed in the United States on March 7, 2026