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Mazda Protege 1.8L 1999-2000, RD Series Cold Air Intake System by InjenŽ. The RD Series is made for the enthusiast who wants improved mid-range power. This cold air system positions a high-flow air filter behind the bumper, where it can take in cooler, denser air. The cool air then flows to the engine through a fee-flowing aluminum alloy intake tube. Cooler air contains more oxygen for more complete combustion and more horsepower. Up to 5.6 HP Gain.
Features:
- Delivers more oxygen to the combustion chamber by drawing in cooler air
- Custom designed and engineered to deliver maximum power for each specific vehicle
- Improves acceleration and fuel economy
- Every system includes the Injen EA Nanofiber dry air filter
- Air intake pipe constructed of mandrel-bent 6061 aluminum for smooth airflow
- Most systems are one-piece, however some are two-piece designs
- Comes complete with all necessary mounting hardware and comprehensive installation instructions
- Street legal in all States
- Backed by a Limited Lifetime Warranty
- Proudly manufactured in the USA
It's a well known fact that cooler, denser air contains more oxygen, and more oxygen in your engine's air intake charge means better combustion and more power. Hot air contains fewer oxygen molecules, and if your engine is fed hot air there will be less oxygen and therefore less power. Yet that's exactly what your engine gets with the factory air intake system! The solution to this problem is to install an Injen RD Series Cold Air Intake System.
Injen starts the power improvement process by positioning an Injen High Performance air filter behind the front bumper. Here, this free-flowing filter can take in the coolest air possible and funnel it through smooth, mandrel-bent 6061 aluminum alloy tubing. Injen designs and repeatedly tests its systems for each application to make sure they're the least restrictive, all the way to the throttle body. So, instead of power-robbing hot air squeezing through a restrictive air filter and intake duct, your engine is taking in huge quantities of cool air surging through free-flowing tubing. The result is increased horsepower and torque, and improved performance you can feel!
The RD system is carefully engineered, with CNC machined brackets and adapters, to ensure an exact fit. Installation can be accomplished with simple hand tools and everything necessary for installation is supplied, including comprehensive instructions. The RD Series Cold Air Intake System is backed by a Limited Lifetime Warranty.
Injen Technology Company, Ltd., based in Pomona, California, was formed as a sister company to RD Metal Works in 1998, to utilize the experience and design capabilities that RD Metal Works had gained designing and manufacturing air intake kits for leading air filter and intake manufacturers. Since that time, the company has made it a point to stay at the forefront of performance technology, continually setting new standards for quality and improving their engineering and manufacturing capabilities. This enables Injen to regularly introduce new, cutting edge products to market and has required the company to continually expand to meet the demand for those products. Today, Injen continues to set the industry benchmark for innovation, styling and technology.
INJENŽ - RD Series Cold Air Intake System Reviews (9)Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for your new product, please follow the link in the email you receive after completing your purchase. You can rate appearance, ease of installation, price/value and product quality.
Customers' rating:
4.5 OF 5
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All Injen Air Intakes reviews >>
(4.5)
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Injen Cold Air IntakeNovember 24, 2012 | Posted by Georgy S. | 2004 Mazda 3 (Beeville, TX)It was worth putting it in to hear the sound of the car, recommend it for any Mazda.
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(5)
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Great CAI SystemOctober 9, 2012 | Posted by Aaron B. | 2009 Mazda 3 (Raleigh, NC)I think that the CAI is fantastic! Works great, I can see a real increase in performance from time of install. The increases at the higher speeds is great as well. The only complaint I have is with the rubber mount you install to put the intake on, is that mine squeaks. I can hear a squeak at times from this mount. No biggie just a little tweaking.
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(4.5)
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SuprisedAugust 4, 2012 | Posted by Ryan C. | 2005 Mazda 3 (Rockford, IL)My buddy a week before installed a short intake and I didn't really notice a difference. However, I did notice the difference with my Injen intake. First off when reading through the instructions I assumed the installation would take a whole weekend, but when all was said and done it only took collectively 3 hours done by myself. Definitely a big deal who really isn't mechanically inclined. As for the difference, the car makes a great sound when you accelerate and definitely gave the car more pick up.
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(5)
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Cold Air IntakeJuly 21, 2012 | Posted by Mathieu D. | 2007 Mazda 3 (Bathurst, NB)Awesome works and sounds great.
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(4.5)
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Mazda 6February 20, 2012 | Posted by Ryan M. | 2007 Mazda 6 (INDEPENDENCE, MO)Looks good. Sounds good. Easy to install, especially with photo diagrams of how to install. Would definitely recommend this product if you are thinking about it.
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(5)
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Great Intake!January 19, 2012 | Posted by Matthew C. | 2007 Mazda 3 (West Islip, NY)I ordered this intake for my 2010 Mazdaspeed 3 and it's great! The install was a breeze and I didn't even have to take off the front bumper like the instruction tell you to. All you have to do is take out the screws on the splash guard by the tire, and it easily moves out of the way for you. Definitely recommend this intake for the Speed as it gives a cool BOV type air noise as you drive. The performance boost is noticeable immediately as well. Have never gotten such an increase just from an intake.
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(4)
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INJENŽ RD Series Cold Air Intake SystemMay 24, 2011 | Posted by Thomas B. | 2004 Mazda 6 (Hilliard, OH)Okay... what to say first about this, i'll start with the negatives. -Couple things in the instrutions didn't mention where to put the vacuum seal but i managed to find a spot -Filter was WAY to small to fit over intake pipping (had to cut a slit in the filter, lube it up, and use flat heads to lever it on) -Couldn't put heat guard because they didn't provide big enough clamps to go around the filter after putting it on the intake pipe Now for some positives... -Great sound -Noticeable gain in power and gas mileage -Looks great once installed -Directions were very easy to follow
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(4.5)
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INJENŽ RD Series Cold Air Intake SystemApril 14, 2011 | Posted by Matthew C. | 2004 Mazda 6 (Lovettsville, VA)Well worth the money, big difference in performance off the line and sound, easy install and makes more room in the engine bay.
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(5)
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INJENŽ SP Series Short Ram Intake SystemJanuary 30, 2011 | Posted by Laura M. | 2005 Mazda RX-8 (Rio Claro)Good quality, well packaged
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