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RedRock 4x4 Cold Air Intake - Black Wrinkle Coating (07-11 3.8L Jeep Wrangler JK)

Item J100284
Market Price $173.99 You Save 12% ($21.00)
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$152.99 (kit)

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      Review & Installation Video

      Hey, guys. It's Sara with And today, we have a review and install of the RedRock 4x4 Cold Air Intake in Wrinkle Black, fitting your '07 through '11 3.8-Liter Jeep Wrangler JK. This kit features an aluminum pipe with a powder coat black finish, a heat shield with the same finish and a conical reusable air filter. This intake provides better flow when compared to your factory airbox and it has no tune required. So one thing to note with this intake, because of the design, it will not protect against water as nicely as some closed box designs or some snorkels would. So if you frequently go off-road and encounter water, you might want to consider one of those options. But for the average Jeep owner just looking for a nice cold air intake, this one gets the job done. Coming in at around $150, this is the most affordable option in cold air intakes for your JKs. I'm giving this install a two out of three wrenches on the difficulty meter. It can be done in approximately two hours and features a directed bolt-up installation. All right, with that said, let's jump right into our install. For this install, we used a 3/8 drive ratchet, a quarter-inch drive ratchet, a 3-millimeter Allen key, 12, 10, 8 and 7-millimeter sockets, several extensions, a 10-millimeter wrench, cutters, and a flathead screwdriver. All right, so the first step in our install is to remove the plug for the IAT sensor at the back of your intake. You can push back on this red tab or you can use a flathead and gently push back with this. Once the red tab is released, press down and remove the connector. Using an 8-millimeter socket or flathead, remove the clamp holding your intake to your throttle body. Pull the PCV hose off the back of your airbox. Now we can remove the four metal clips holding the top of our airbox on, there should be two at the back and two at the front. With the top of our airbox free, we can now lift it out and remove it. Remove your air filter and set it aside. Now we can remove the lower portion of our airbox by gently lifting up and wiggling. This should free the three pins on the bottom. At this point, we're gonna remove and transfer over the IAT sensor from our old intake tube into our new one. Grab this and wiggle it free. If it's fighting you, you can lube this up a little bit just so that it will come out. Replace the sensor into our new tube into the rubber bushing here. Now we can assemble our airbox using the small hardware, washer and nut. Line up the plates on your airbox and get your hardware through. Make sure there's a washer on each of these bolts. Make sure you have a washer on these. Grab a 3-millimeter Allen key and a 7-millimeter socket and tighten these down. At this point, we can install the weatherstripping on the inside here where your air filter will go and also along the top. Line it up on the ridge here and just press it on. Press down on the weatherstripping and make sure it's seated as you go. If your piece is too long, you can trim it down. Now we'll take the larger piece of weatherstripping and run it along the top here and you do have to run it down this corner a little bit here. Get it started at the far corner. And when you hit this bend here, you might want to just give it a notch in the backside here with a set of cutters so that it can clear this bend a little easier. Bend the end of this weatherstripping down this corner and seat it along the side. All right, now that we have our factory intake on uninstalled from our Jeep, we can put it side by side with our RedRock intake and really check out some of the differences. Now right off the bat, you may have noticed the aluminum pipe which is powder-coated textured black which matches your heat shield. This is gonna be great for when your hood is closed, the heat shield is gonna protect your air filter against the heat from the engine and when your hood is open, it's gonna look great giving you that nice aftermarket appearance to your engine bay. This air filter is also washable and reusable which is gonna save you money down the road when compared to your factory paper filter. So this entire combination is gonna breathe better than your factory intake, giving you a little bit better throttle response and that nice aftermarket sound. All right, so let's get this installed on our Jeep. We do have to remove one 8-millimeter bolt that's holding on our fan shroud in order to install it to our heat shield here. Grab your 8-millimeter socket and let's get this off. Now we can install our heat shield, line it up with the 8-millimeter bolt that just came off. Grab your 8-millimeter socket and tighten this down. You may need a small extension to clear this. Grab your long hardware and get it through the holes in your airbox and also through the rubber grommets that we're attaching your factory intake. Now we can install the larger washer and nut on the end of the two long bolts. You will have to go underneath your heat shield to do this. Grab a 10-millimeter socket and wrench and tighten these down. Grab the two smaller clamps and slide them over the end of your pipe. Slide it over your throttle body, the smaller end of the coupler will be going to it. Get your clamps in place and then grab an 8-millimeter socket and tighten them down. We now install this spacer between the bottom bracket on our intake pipe and the heat shield. There should be a small hole at the heat shield underneath where your air filter will pass through and that's where we're gonna install this. You also want to grab two nuts, one for either side of the spacer. Grab the rubber spacer and line it up with the hole in your heat shield as well as the bracket on your intake pipe here. Make sure you put a nut on either side with a washer. Grab a 12-millimeter socket and tighten down the nut on the inside of your heat shield. Adjust your intake pipe so it slides over top of the stud. Grab your 12-millimeter socket and tighten this down. Grab your larger clamp and slide it over the top of your filter and slide your filter over the end of the pipe. Once your air filter is fully seated on your pipe, line up your clamp and tighten it down with an 8-millimeter socket. Grab one of your clamps and slide it over your PCV line and slide that line over the port on your intake. Grab your 8-millimeter socket and tighten it down. Grab your connector and reconnect it to your IAT sensor and press the red tab down. All right, so that is gonna do it for the review and install of our cold air intake. Remember for all things Jeep, keep it at

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Improves Horsepower and Torque
      • Better Throttle Response
      • Money Saving Reusable Conical Filter
      • Aluminum Intake Tube with Textured Wrinkle Black Finish
      • NO Computer Re-Tune Required
      • Fits 2007-2011 JK Wranglers with a 3.8L V6


      Improves Power. A RedRock 4x4 Cold Air Intake kit will completely replace your JK Wranglers restrictive factory air box and paper filter element with a high flow filter assembly for a noticeable increase in horsepower and torque, all while providing filtration of harmful power robbing dust particles.

      No Tune Required. Unlike other Cold Air Intakes on the market for the 3.8L V6 Wranglers this RedRock 4x4 CAI does not require a computer re-tune. The engineers at RedRock 4x4 really did their homework to improve your JK's power using the factory tune.

      Reusable Conical Filter. Included in this RedRock 4x4 kit is a High Flow reusable conical air filter. So there is no need to go out and buy a new filter every few thousand miles. Just clean the filter, re-oil it, save money, and go!

      Easy Installation. The RedRock 4x4 Cold Air Intake kit is engineered to be easily install with just basic hand tools. There are no modifications required for a clean straight forward installation. All parts and instructions are included.

      Not CARB Certified.
      This RedRock 4x4 Cold Air Intake is not CARB certified, therefore it is not legal for use in California or other states adopting California emission standards. Not legal for use on pollution controlled motor vehicles; intended for off road use only.

      This RedRock 4x4 Cold Air Intake System is specifically designed to fit the 2007-2011 JK Wranglers equipped with the 3.8L V6 engine and does not require re-tuning the vehicle's computer for operation.

      RedRock 4x4

      Fitment: 2007 2008 2009 2010 2011 Details

      MPN# J100284

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.6 out of 5 overall rating from 100+ customers

      Installation Time: Less than 1 Hour

      Installation Cost: 0-$100

      • February 16, 2020

        5 2018 Wrangler - Luke Strassburg Installation Time: Less than 1 Hour

        Great upgrade

        I stalled in no time with supplied hardware. Throttle response is better. See if it turns into MPGs!!!

        Helpful (0)
      • February 15, 2020

        5 2009 Wrangler - MikeF Installation Time: Less than 1 Hour

        Great mod!!

        Love this mod!! Noticeable power increase and the sound it makes during acceleration is addicting. Haven’t checked for a mpg increase yet but overall a great product. There is one issue with the intake tube however. The U shaped bracket that is used to secure the tube to the heat shield is too short to connect to the provided spacer. It would seem like an issue but the the rest of the product is so well built that after install everything is so secure that nothing moves and IMO still deserves a 5 star rating. Thanks XT!!

        Helpful (0)
      • February 14, 2020

        4 2017 Wrangler - NEPAJude Installation Time: Afternoon

        Great CAI

        This is a really good CAI and the price makes it better. Easy install for the most part. There are 2 bolts that you have to get your arm inside the wheel well and have a wrench on the top. Slight slowing to install, but otherwise has been great. I saw a little jump in MPG and you can hear the difference as well.

        Helpful (0)
      • February 13, 2020

        5 2007 Wrangler - 2008jku Installation Time: Less than 1 Hour

        Holy sh$/!!!!

        This was an awesome upgrade for my 08 JKU Sport! I notice a huge difference in power, and I absolutely love it! My only regret it not doing sooner!!!

        Helpful (0)
      • February 08, 2020

        5 2014 Wrangler - Jflo824 Installation Time: Less than 1 Hour

        Cold air intake

        Great product!! Feel the extra power added. Must buy

        Helpful (0)
      • February 07, 2020

        5 2011 Wrangler - JWard Installation Time: Afternoon

        Bang for the buck

        This is a simple yet awesome upgrade...instructions and the review video dont mention where to use two spacers, found out when I thought I was done installing. And best part KN filters fit this too

        Helpful (1)
      • February 04, 2020

        5 2015 Wrangler - WesS Installation Time: Less than 1 Hour

        Great all around Cold Air Intake!

        This CAI is easy to install. I love the extra kick and MPG (not a lot on the MPG but is effected). Sounds great as the RPMs rise. You can hear air being sucked through which is great!

        Helpful (0)
      • February 02, 2020

        5 2009 Wrangler - stiz Installation Time: Less than 1 Hour

        Air intake

        Decent for the price point. Installation was easy, took less than an hour.

        Helpful (0)
      • January 27, 2020

        5 2013 Wrangler - JIMQ Installation Time: Less than 1 Hour

        SCALDED DOG..


        Helpful (0)
      • January 16, 2020

        5 2016 Wrangler - Antenna Installation Time: Less than 1 Hour

        Easy install/extra horsepower

        I don't know about MPG's yet, but def a lot more power. Recommended

        Helpful (1)

      Questions & Answers (83 answers)

      5 Top Rated Questions

      CA Smog Legal Aside from it "Passing" smog check does this kit come with the more important STICKER saying it is approved for use in CA?

      • Hello, unfortunately the RedRock 4x4 Cold Air Intake Kit - Black Wrinkle Coating (12-17 Wrangler JK) does not have a CARB #, therefor not being legal for use in CA.

      Helpful (15)

      1 - I'd just installed my new air intake and I would like to know if i have to oil it ? 2- Need some washing tips for it to , first time that kind of air intake . Thanks Mitch

      • The filter on the RedRock 4x4 Cold Air Intake Kit will come pre-oiled. At your normal filter replacement interval the filter should be removed, cleaned and re-oiled. Any filter recharge kit, such as the K&N Filter recharge kit would work.

      Helpful (10)

      I have been doing research on which CAI to buy and I have read that it is common for the check engine light to come on. Will this CAI cause my check engine light to come on? 2015 WRANGLER

      • Check engine lights coming on after the installation of a cold air intake are usually attributed to installation errors or a retune being required but not completed. Unlike other cold air intakes on the market for the 3.6L V6 Wranglers, this RedRock 4x4 CAI does not require a computer re-tune and is engineered to work with the factory tune on the Wrangler.

      Helpful (5)

      How easy is it to order a second RedRock air filter? and does Extreme Terrain carry them in stock?

      • While we do not offer replacement air filters for the RedRock 4x4 Cold Air Intakes, any universal replacement filter with a4" connection that is 9" long with a 5" diameter will work with the cold air intake.

      Helpful (3)

      How do you clean the filter when it gets dirty? What products will I need to clean it? And how often do I need to clean it?

      • Thank you for your question! To clean an oiled filter you will need a refresh/recharge kit. I listed an option that we offer down below. Depending on your usage, a filter should be cleaned every 30-45K miles.

      Helpful (2)
      10 More Questions
      Hello. The description states for off road use only. Is this particular filter not recommended for daily commuting or highway driving? 1 answer
      Does this intake actually come with a K N filter or is it another brand ? I’m looking for specifically a K N . 1 answer
      Is this product legal in NY and will it pass nys inspections? 1 answer
      What oil needs to be used on this filter. Any brand or a specific one? Also how often/mileage does it require re-oiling? 1 answer
      What is the double threaded rubber spacer for with 2 nuts. Don't see it in instructions or on YouTube video of yours. Thanks. 0 answer
      Has anyone bought a replacement filter for this and where did y'all get it? I want a spare while I clean this one. Thanks 1 answer
      Will this intake work with a throttle body spacer? 0 answer
      what size is the piping? 2.5"? 3"? 1 answer
      Is there a pre filter for this filter 1 answer
      How bout' a replacement filter to keep a clean spare around? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Air Filter
      • (1) Intake Tube
      • (1) MAF Panel
      • (1) Bottom Panel
      • (1) Reducing Hump Hose
      • (1) Small Weather Strip
      • (1) Large Weather Strip
      • (1) Small Hose Clamp
      • (2) Medium Hose Clamps
      • (3) Large Hose Clamps
      • (2) Zip-Ties
      • Stand-Off
      • Hardware

      Will It Fit My Wrangler

      • JK Rubicon 2 Door - 07, 08, 09, 10, 11
      • JK Rubicon 4 Door - 07, 08, 09, 10, 11
      • JK Wrangler 2 Door - 07, 08, 09, 10, 11
      • JK Wrangler 4 Door - 07, 08, 09, 10, 11

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