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Airaid Intake System - 521-284

MXP Series Cold Air Box System with Black Intake Tube
  • $341.27
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  • Style:
    SynthaMax (Dry Filter) (Red)
  • Part #:
  • Wash with standard detergents
  • Rated at 1400 cfm

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Airaid Intake System Part #521-284 Customer Reviews

Average Rating

26 Customer Reviews

2011 Nissan Titan Airaid MXP w/dry filter element

Reviewed by kenneth r (BERWYN, PA) Reviewed for a 2011 Nissan Titan — Jan 24, 2017 3:51 AM

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What a difference! Adds a deep angry growl during hard acceleration but is quiet as stock when your foot isn't in it. Looks good and was very simple to install using basic hand tools. Feels like there is a power gain but it could just be my enthusiasm. There is definitely a slight highway mpg increase which I also appreciate. Very happy with it.

Great product.

Reviewed by Tom H (Mckinney, TX) Reviewed for a 2015 Nissan Titan — Apr 13, 2016 8:34 PM

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Install was easy, took under 30 Minutes. AutoAnything matched and lowered a price on another site. It was delivered the next day.

Customer service anyone

Reviewed by Tim M (CANYON LAKE, TX) Reviewed for a 2012 Nissan Titan — Mar 07, 2016 3:16 PM

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So I got my intake shipped to my house, took the old intake out of my truck. Started putting the new intake on and noticed that the kit was missing the hump hose. Auto anything helped me in this but Airaid failed to contact auto anything or myself until 5 days later. So my truck was without a vital part for several days. This is the first Airaid product I've purchased and it'll probably be my last. I believe I will stick with K&N on my next vehicle.

Airaid mxp

Reviewed by daniel n (Gray, LA) Reviewed for a 2015 Nissan Titan — Sep 11, 2015 10:16 AM

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Instal perfect and sound great


Reviewed by Charles W (COLORADO SPRINGS, CO) Reviewed for a 2015 Ford F-150 — Aug 17, 2015 7:25 AM

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The unit was fairly easy to install and I have only run one tank of gas through the truck since installation so I do not have any results for mpg. So far it appears to be doing what it is supposed to.

best intake out there

Reviewed by Eric G (ORLANDO, FL) Reviewed for a 2011 Nissan Titan — Apr 13, 2015 8:34 PM

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after buying 2 other intakes this one proved to be the best out there for HP and MPG gains

Sounds amazing

Reviewed by Barry R (Clarksville, TN) Reviewed for a 2007 Nissan Titan — Apr 05, 2015 5:07 PM

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I was skeptical at first but after installing the cold air intake I reall love how it sounds and the performance enhancements.. I would recommend this product to all of my friends..

2014 Nissan Titan Airiad MXP

Reviewed by James M (Waterford, MI) Reviewed for a 2015 Nissan Titan — Jul 12, 2014 12:15 PM

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Quality of the kit is superb. Yes, it fits the 2014 Titan just fine. The stock air box rubber grommets and hardware are difficult to remove and get seated back in properly, so watch out for that. City fuel mileage went from 13.89 to 16.18, no changes in driving habits. This intake flows ALOT more air. It does take time for the truck to adjust to it. My Titan has it fairly figured out after 2 weeks and 300 miles. Minimal resonance. Great upgrade!


Reviewed by HOWARD J (GWYNN OAK, MD) Reviewed for a 2005 Nissan Titan — Nov 20, 2013 10:06 PM

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Good product. The engine responds a lot better than Fujita system I had. Haven't had it long enough to see any mileage change but the extra power I response is their. I had difficulty in removing the factory box that surrounded the filter but everything else was simple.

Very Satisfied

Reviewed by John B (TRENTON, NJ) — Sep 12, 2013 8:58 AM

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Simple install, looks great, nice tone when you get into the throttle hard.