Injen Hydro Shield

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Small Hydro Shield - Fits Filter Sizes:
Select options to see availability.
  • 5"-6" Base
  • 5" Tall
  • 4" Top
  • Injen Filters: X-1010, X-1011, X-1017, X-1020
Medium Hydro Shield - Fits Filter Sizes:
Select options to see availability.
  • 6" Base
  • 5" Tall
  • 5" Top
  • Injen Filters: X-1012, X-1013, X-1014
Large Hydro Shield - Fits Filter Sizes:
Select options to see availability.
  • 6.75" Base
  • 5" Tall
  • 5" Top
  • Injen Filters: X-1015, X-1018
Extra-Large Hydro Shield - Fits Filter Sizes:
Select options to see availability.
  • 6.5" Base
  • 8" Tall
  • 5.5" Top
  • Injen Filters: X-1022
Product InfoManufacturer InfoReturn Information

Features

  • Sitting on top of your performance air filter, the Hydro Shield blocks water and microscopic particles from getting into your engine
  • Drive confidently through light showers, deluges or even sand storms
  • While repelling water, the Hydro Shield still allows wide-open airflow, letting your performance air filter deliver huge horsepower and torque gains
  • The Hydro Shield's embedded hydrophobic treatment creates uniform micron-sized pores that filter out water and debris as small as .005"
  • Expertly crafted from highly durable, racetrack proven polyester
  • Your Hydro Shield was engineered to work best with cold air intakes that position the air filter outside of the engine compartment
  • Available in three hotrod colors: Red, Blue and Black
  • Injen covers your Hydro Shield with a Lifetime Warranty

Description

Nothing cools an engine’s jets like water from your air intake. Whether you’re driving through a slight drizzle or a typhoon, your motor is in real danger of drowning. Injen’s Hydro Shield, however, stops water from sinking your vehicle. Riding right on top of your performance air filter, this durable polyester cover repels water while still allowing a free-flow of oxygen.

The secret behind the Hydro Shield’s amazing success stems from its water repellent outer coating. It’s crafted using a sophisticated embedded hydrophobic process, which creates uniform rows of micron-sized pores. These openings filter out water and debris .005” or larger!

You don’t have to worry about choking your engine, though. The Hydro Shield purifies the oxygen while still allowing steady airflow—and consistent airflow means rip-roaring horsepower and massive torque. Plus, the Hydro Shield comes in three stylish colors: Red, Blue and Black. Covered by a Lifetime Warranty.

Notes

  • For a proper fit onto non-Injen Air Filters, check the following measurements of your current filter:

    Base: The circumference at the bottom.

    Top: The circumference at the top.

    Tall: The height from base to top.

Average Customer Rating

  (137)
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Really Cool Product

Posted on 05/30/2007 by Raymond P. - 2001 Honda S2000 (Charlotte,NC)

"This thing is neat. No performance loss at all. I use this along with a Heat Shield(used as an umbrella)on my cold air intake. No Worries!!!"

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About Raymond P.
Vehicle
2001 Honda S2000
I use my vehicle for
driving fast
 
Problem Solved

Posted on 05/30/2007 by Andy K. - 2004 Volkswagen GTI (Rochester,MN)

"I purchased the Injen Hydro Shield to solve a problem. I moved from Georgia to Minnesota last October. Means snow, ice, salt, sand, etc. My CAI filter was nasty and tend to get more water logged through the car wash, hence washing away valuable filter oils. I'm confident the Hydro Shield will prevent it."

Was this review helpful? Yes No

About Andy K.
Vehicle
2004 Volkswagen GTI
I use my vehicle for
Everything.
 
injen hydro shield

Posted on 05/30/2007 by Kam Ming Y. (University Place,WA)

"not bad, at least help me to reduce some of the moisture or water from the bad weather i like it"

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About Kam Ming Y.
 
good product

Posted on 05/26/2007 by Kurt H. - 2001 Volkswagen GTI (Washington Crossing,PA)

"i put it on my car and now i don't have to worry about water getting into the engine. i put in in some water in the sink to see how water resistant it was and was surprised when no water went through, and it always beaded off. its a good product."

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About Kurt H.
Vehicle
2001 Volkswagen GTI
I use my vehicle for
driving, having fun with the car
 
Injen Hydro Shield

Posted on 05/25/2007 by Roland M. - 2003 Honda Accord (Oklahoma City,OK)

"I've drove about 500 miles since installing the hydro shield. It seems to function well in dry weather. I'm anxious to see how it repels water during rainy driving conditions."

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About Roland M.
Vehicle
2003 Honda Accord
I use my vehicle for
commuting
 
injen Hydroshield

Posted on 05/15/2007 by Christian C. - 2005 Mazda 3 (Quebec,QC)

"good quality, perfect fit"

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About Christian C.
Vehicle
2005 Mazda 3
I use my vehicle for
driving
 
This is nice

Posted on 05/10/2007 by Mathew O. (Schaumburg,IL)

"I got the black hydro shield with the black injen intake. Together it looks hot, when you open my hood it really looks like a black filter because it fits so snuggly over the filter. It doesn't prevent air from flowing in (I know because of that "turbo spool sound" i get even during regular acceleration) I've had it for a month and I'm loving it."

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About Mathew O.
 
awsome

Posted on 05/09/2007 by Xavier R. - 2006 Honda Civic (Orange City,FL)

"best thing to have in the rain beads rite off dont go through any puddles though lol its not puddle res."

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About Xavier R.
Vehicle
2006 Honda Civic
 
Looks good

Posted on 05/09/2007 by Debra S. - 2005 Chevy Cobalt (Pfafftown,NC)

1 of 1 people found the following review helpful.

"Nice looks. Held up good in moderate rain even through hard acceleration. Don't know if it really matters, I've never heard of anyone sucking water into their engine from just rain."

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About Debra S.
Vehicle
2005 Chevy Cobalt
 
hydro shield

Posted on 05/08/2007 by Daniel J. (Surprise,AZ)

"so far so good"

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About Daniel J.
 
Safety First

Posted on 05/01/2007 by Nelson O. (Saylorsburg,PA)

"Just bout a new DryFlo AEM filter for my cold air intake, and this is just something to ease my mind . I live on dirt roads and in snowy weather and my old filter was literally dirt enriched lol. Having this on makes me feel a whole lot better, great price too."

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About Nelson O.
 
the injen hydroshield works

Posted on 04/29/2007 by Nora H. - 2006 Scion xB (St Paul,MN)

"i could not detect a difference in the performance of my scion xb. the water just trickles off the shield which is reassuring. great product!"

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About Nora H.
Vehicle
2006 Scion xB
I use my vehicle for
everything
 
Injen Hydro Shield

Posted on 04/29/2007 by Christian C. - 2002 Acura RSX (Los Angeles,CA)

"The Injen Hydro Shield was just what I expected.Keeping my filter very clean and repelling that water thats harmful to my engine. Overall I am very statisfied with this product.I would recommend this Hydro Shield to anybody that likes keeping their intakes clean and safe."

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About Christian C.
Vehicle
2002 Acura RSX
I use my vehicle for
commuting.
 
amazing

Posted on 04/27/2007 by Paul P. - 2005 Honda Civic (Jacksonville,FL)

"put it on my fujita intake and still sounds and performs great without the worry of hydrolock"

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About Paul P.
Vehicle
2005 Honda Civic
I use my vehicle for
recreational activites
 
Take precaution.

Posted on 04/18/2007 by Devin L. - 1999 Nissan Maxima (Barboursville,VA)

1 of 1 people found the following review helpful.

"Despite the comments from people saying that they haven't had any problems with hydrolocking (water in your engine) even without the hydroshield, the Injen pre-filter provides me with a little more assurance. I'd rather be safe than sorry and for an additional $25 or whatever the HydroShield costs, it is more than worth it. I now feel safe driving in rain storms (3 of which sense I installed my CAI and prefilter) without the fear of hydrolocking. When combined with the protection from the plastic pieces that make up the underbody (just behind the front bumper) of most cars, the Hydroshield can pretty much guarantee that you will not experience any problems with water getting into your engine, or any debris otherwise. Now of course submerging the entire front end of your car underwater would cause you to hydrolock, but you should be able to drive in any weather (rain, snow, or ice) without fear of hydrolock. Sincerely, Devin Charlottesville Va ."

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About Devin L.
Vehicle
1999 Nissan Maxima
I use my vehicle for
getting to and from high school, everyday driving, etc.
 
great product

Posted on 04/01/2007 by Jason M. (Jacksonville,NC)

"quick easy installation, works just as described!"

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About Jason M.
 
Injen Hydro Shield

Posted on 03/30/2007 by Brandon W. - 2005 Scion xB (Leiwsville,TX)

"I have driven through pouring rain several times and many puddles and the hydro shield seems to be working great! Without it I would have been in big trouble!"

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About Brandon W.
Vehicle
2005 Scion xB
I use my vehicle for
everything under the sun!
 
Does Its Job

Posted on 03/27/2007 by Jonathan T. - 2004 Acura RSX (West Orange,NJ)

"I have a CAI and my filter is very low to the ground. I recommend the hydroshield for anyone with a CAI. Although it wont prevent hydrolock due to submerging the filter in water, it does repel water sprayed onto the filter."

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About Jonathan T.
Vehicle
2004 Acura RSX
I use my vehicle for
Daily Driver
 
Nice product!

Posted on 03/09/2007 by Victor W. - 2007 Honda Civic (Indianapolis,IN)

"Very easy to install, nice fit, good design. Seems like it is working well... the main thing is peace of mind; I have no worries now about rain or puddles or such. Obviously, I am not going to seek out high water areas, but the typical CAI hydrolock concerns are gone! Well done!"

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About Victor W.
Vehicle
2007 Honda Civic
I use my vehicle for
Everything!
 
Safe from water.. finally

Posted on 02/28/2007 by Yannis P. - 2006 Mazda 3 (Hillsborough,CA)

"So I've had an intake for a while and when the raining season hit over here in California, I was getting some nice puddles everywhere for me to drive in. Sadly most of them were near invisble so I would get some water in my engine igniting the Check Engine Light and my stress level up hoping my engine wouldnt blow up. Anywho this filter is awesome, its a bit pricey of course but it beats the cost of a new engine! This I believe should keep my actual intake filter cleaner than it was before as the holes are miniscule and there is absolutely no loss in power. Great Product!"

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About Yannis P.
Vehicle
2006 Mazda 3
I use my vehicle for
Spirited driving and commuting
 
Hydro Shield/Autocross

Posted on 02/19/2007 by Henry P. - 2004 Toyota Celica (Austin,TX)

"I did an autocross race on Feb 18 2007. I decided even though the weather was dry to put on the hydro shield, and I was impress with on how clean my air filter was after the race and how it was maintaining its air flow rate. My car felt like it didn't lose its power gain."

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About Henry P.
Vehicle
2004 Toyota Celica
I use my vehicle for
Daily drive/Autocross Racing
 
injen hydro shield

Posted on 01/30/2007 by Steve C. - 1998 Honda Civic (Lindenhurst,NY)

"the hydro shield is a great idea if you are afraid to buy a cold air intake. I installed it with my RD series intake and saw no loss with shield installed. Also I am more confident that i will not kill my engine when i go through some puddles. A must have for your injen CAI"

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About Steve C.
Vehicle
1998 Honda Civic
 
Injen H Shield

Posted on 01/22/2007 by Sharon L. - 2004 Nissan Sentra (Edgewood,MD)

"Very nice product... looks good and keeps out unwanted particles!"

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About Sharon L.
Vehicle
2004 Nissan Sentra
I use my vehicle for
communting
 
Keeps the filter clean

Posted on 01/18/2007 by Shurn D. - 2005 Dodge Dakota (Spotsylvania,VA)

"The hydo shield is a really great addition to your performance air intake system. By placing the Ingen hydro shield over your perforamce air filter, you will lengthen the amount of time between filter cleaning. This product does not affect the performance of your air intake system. Once installed, you won't know the difference. Great product."

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About Shurn D.
Vehicle
2005 Dodge Dakota
I use my vehicle for
every day driving.
 
So far so good

Posted on 01/17/2007 by Leighton L. - 2005 Nissan Altima (Las Vegas,NV)

"I have not had much rain since receiving the Hydo Shield, but I have been through a couple of heavy downpours and it seems to work pretty well. I don't think it will protect the filter from being fully submerged, but it seems to work well in the rain. I have noticed a slight decrease in power since putting on the Hydro Shield, but I think the protection is worth the trade off."

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About Leighton L.
Vehicle
2005 Nissan Altima
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