Injen® - PF Series Air Intake System

1991 Jeep Cherokee / Item # 471932
Injen® - PF Series Power-Flow Air Intake System - Wrinkle Black Injen® - PF Series Power-Flow Air Intake System - Wrinkle Black Injen® - PF Series Power-Flow Air Intake System - Polished Injen® - Mega Ram Technology INJEN® - Sisters installing an Injen Air Intake 602x420 Injen Authorized Dealer Injen Special Offers
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Jeep Cherokee XJ 4.0L L6 1991-2001, PF Series Air Intake System by Injen®, with Heat Shield. The PF Series Air Intake System is made for high performance cars, trucks and SUVs. It features a larger air filter and a larger diameter air intake tube to meet the airflow demands of the large engines in these vehicles. Up to 8 HP and 9 ft.lbs TQ Gain.

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Originally $327.75
$262.20
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Injen® - PF Series Power-Flow Air Intake System - PolishedInjen® - PF Series Power-Flow Air Intake System - InstalledInjen® - Mega Ram Technology
PF5011P

Polished

PF Series Polished Air Intake System by Injen®, with Heat Shield. The PF Series Air Intake System is made for high performance cars, trucks and SUVs. It features a larger air filter and a larger diameter air intake tube to meet the airflow demands of the large engines in these vehicles. Street Legal in most States. Up to 8 HP and 9 ft.lbs TQ Gain.

In Stock - Usually ships within 48 to 72 hours

$262.20
Injen® - PF Series Power-Flow Air Intake System - Wrinkle BlackImage may not reflect your exact vehicle! Injen® - PF Series Power-Flow Air Intake System - InstalledInjen® - Mega Ram Technology
PF5011WB

Wrinkle Black

PF Series Wrinkle Black Air Intake System by Injen®, with Heat Shield. The PF Series Air Intake System is made for high performance cars, trucks and SUVs. It features a larger air filter and a larger diameter air intake tube to meet the airflow demands of the large engines in these vehicles. Street Legal in most States. Up to 8 HP and 9 ft.lbs TQ Gain.

In Stock - Usually ships within 48 to 72 hours

$262.20
Injen® - Pre-FilterInjen® - Pre-Filter

Pre-Filter

Pre-Filter by Injen®. This accessory for Injen air filters prevents the filter from becoming saturated if splashed by water and mud. When used in dusty conditions it can also extend the filter cleaning interval by filtering and keeping much of the dirt from the air filter. Its dimensions are 6" Base, 5" Height, 5" Top.

In Stock - Usually ships within 3 to 5 days

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    Product Details
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    Street Legal in Most States

    Features:

    • A large air filter and large diameter air intake tube to maximize air volume
    • Uses the patented MR Technology tuning process to ensure the air/fuel ratio is within optimum limits
    • Custom designed and engineered to deliver maximum power for each specific vehicle
    • Improves acceleration and fuel economy
    • Every system includes the EA Nanofiber dry air filter
    • Air intake pipe constructed of mandrel-bent 6061 aluminum or cast aluminum for smooth airflow
    • Comes complete with all necessary mounting hardware and comprehensive installation instructions
    • Street Legal in most States
    • Backed by a Limited Lifetime Warranty
    • Proudly manufactured in the USA

    The big "deep breathing" engine in your high performance car, truck or SUV needs a PF Series High-Flow Air Intake System to unleash all of its power. The system starts with a large EA Nanofiber dry air filter, installed in place of the restrictive factory airbox. The large increase in filter area over the stock airbox filter results in a huge increase in airflow and a greater capacity to capture and hold dirt.

    The increased airflow continues with a free-flowing mandrel-bent or cast aluminum intake tube in place of the factory air path. The use of a casting was necessitated on some applications to maximize the airflow and for fitment reasons. All kits include a heat shield that seals against the hood and isolates the filter from engine heat, or the Injen Powerflow Box. The Powerflow Box incorporates an EA Nanofiber dry air filter as well as a velocity stack and air stabilizer, and a cold air inducer, all contained in an aluminum housing to protect the filter from heat. The reduction in air intake temperature results in a cooler, denser air intake charge and even more horsepower. 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.

    MR technology

    But unlike other air intake systems, Injen's patented MR (Mega Ram) Technology attains this increased intake airflow and performance while maintaining a safe air/fuel ratio. Injen steps down the diameter of the intake tube where the Mass Air Flow (MAF) sensor mounts, enabling the sensor to detect airflow within established parameters. The engine control computer can then maintain the proper air/fuel ratio and optimize horsepower and torque. Simply put, MR Technology tunes the intake system to avoid the necessity of recalibrating the MAF sensor, and prevents your engine from running too lean or too rich. With MR Technology, Injen created "The World's First Tuned Intake System", delivering optimum performance with a factory safe air/fuel ratio.

    The PF 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 PF Series Air Intake System is backed by a Limited Lifetime Warranty.

    262.20
    Brand: Injen       Part Numbers:
    paypal credit Injen Air Intake Systems

    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.

    Product Reviews (16)

    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.

    Injen® - PF Series Air Intake System
    Injen® - PF Series Power-Flow Air Intake System - Wrinkle Black
    Average Rating:  4.8 of 5
    APPEARANCE 10
    EASE OF INSTALLATION 10
    PRICE/VALUE 9
    QUALITY 10
    5(5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    1999 Toyota 4Runner
    | Posted by | (Effort, PA)

    Amazing, went on easy, keeps it clean longer, love your website!

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    5(5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    2006 Honda Civic
    | Posted by | (Austin, TX)

    Can't speak for this part yet, but was easy to place on the filter.

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    5(4.8)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE8
    QUALITY10
    2013 Volkswagen Golf Gti
    | Posted by | (Blaine, MN)

    Great product. Really good product used it on my Celica, works great with keeping the dirt & debris away from the filter.

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    5(5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    2013 Volkswagen Golf Gti
    | Posted by | (Stephenville, NF)

    I recently ordered the Injen intake and hydro-shield pre-filter. On my 2007 Mazda 3, the intake is in the driver's side fender by the vents around the wheel. It rains a lot where I'm from, Stephenville, Newfoundland, Canada, and I didn't want my intake sucking up water. I had this for about six months now and never had a problem. I definitely recommend using this because I have friends who blew motors by water being sucked up through the intake. It's worth spending the extra money to get a hydro-shield for protection.

    2 people found this review helpful.
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    5(5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    2013 Volkswagen Golf Gti
    | Posted by | (Regina, SK)

    Works great and keeps water off the filter, especially in the weather we have here.

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    4.5(4.5)
    APPEARANCE6
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    2013 Volkswagen Golf Gti
    | Posted by | (Annandale, MN)

    I never really got to try this product out. We have been having a dry spell here. But this morning on the way to work, it was pouring hard! It held up nicely! Well worth the money!

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    4.5(4.5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE8
    QUALITY8
    2013 Volkswagen Golf Gti
    | Posted by | (Repentigny, QC)

    Now my mind's at ease with this fly raincoat for my intake filter. No water hazard risks anymore!

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    5(5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    1994 Honda Civic
    | Posted by | (Thomasville, GA)

    Goes on easily. Has kept water and dirt out so far. I would recommend this as a safety net to help protect your filter.

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    4.5(4.3)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE6
    QUALITY8
    2000 Honda Civic
    | Posted by | (Littleton, CO)

    The pre-filter doesn't look like it does much but I have driven through some good snow and rain and have not yet to have a problem. It's a good extra measure of security. Might as well add it to the cart.

    2 people found this review helpful.
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    5(5)
    APPEARANCE10
    EASE OF INSTALLATION10
    PRICE/VALUE10
    QUALITY10
    1995 Honda Accord
    | Posted by | (Tempe, AZ)

    This black sleeve complements both the polished and black intake. I'm not in a rainy state, but I figured I would purchase the Hydro-shield Pre-filter just in case. It doesn't hurt to be prepared or protected.

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    Product Reviews (16)
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