S&B Filters CAI Installation, Testing & Review

 In 5th Gen Mods, Install, Performance, Reviews

S&B Filters & Cold Air Intake Installation and in-House 0-60 Mph Acceleration Testing

S&B FILTERS & COLD AIR INTAKE INSTALLATION & 0-60 ACCELERATION TESTING For 42.99% Airflow Increase

In this article, we take on the installation of the S&B Filters Cold Air Intake.

Then, we’ll perform a real life 0-60 acceleration test to see how it measures while testing for the +42.99% airflow improvement that will further increase the 0-60 mph acceleration.

Installation

Kit Used: S&B Filters Cold Air Intake P/N: 75-5115D:

This install time will take anywhere between 1 -3 hours, depending on your level of experience.

NOTE: Not Legal for use in CA or other states adopting CA emissions standards

Preferred Tools:

  • 8mm Socket Wrench
  • 10mm Socket Wrench
  • 11mm Socket Wrench
  • 12mm Socket Wrench
  • Phillips Screwdriver
  • Flathead Screwdriver

STEP 1. Disconnect the Battery

S&B Filters & Cold Air Intake Installation and in-House 0-60 Mph Acceleration Testing - Step 1: Disconnect Battery

Using a 10mm socket wrench disconnect the negative battery terminal

STEP 2A. Removal of the Stock Air Box

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2A: Remove Stock Air Box

Remove the engine cover and disconnect the CCV hose and the stock vacuum line

STEP 2B. Disconnect the MAF Sensor

 S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2B: Disconnect MAF Sensor

Disconnect the MAF sensor from the electrical harness, then disconnect electrical harness from the clip on the stock air box

STEP 2C. Remove the Intake Tube and Filter Assembly

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2C: Remove Intake Tube & Filter

Remove the 10mm bolt securing the stock air box and loosen the clamp at the throttle body

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2C: Remove Intake Tube & Filter

Remove the 10mm bolt holding the resonator bracket to the engine block and remove the bracket.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2C: Remove Intake Tube & Filter

After securely removing the bracket, then remove the stock air filter.

STEP 2D. Remove Air Box from the Fender Well

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2D: Remove Air Box from the Fender Well

Remove the (3) 12mm bolts holding the stock airbox to the vehicle

NOTE: In my case, I only had (x2) to remove.

Step 3A. Install the S&B Filters Cold Air Intake

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3A: Install the S&B Filters Cold Air Intake

Remove the grommets and support bushings from the stock air box.

Using a flathead screwdriver works well to push out the inner bushings from the grommets, then using your fingers remove the rubber grommets.

STEP 3B. Install the grommets and Support Bushings

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3B: Install the grommets and Support Bushings

Install the grommets and support bushings in the S&B Filters air box.

This is done in reverse order from the removal process.

STEP 3C. Install Scoop and Box Plug

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3C: Install Scoop and Box Plug

Install the fender scoop on the air box by pushing the rubber scoop onto the air box

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3C: Install Scoop and Box Plug

Install the tube seal on the air box.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3C: Install Scoop and Box Plug

Install the Box Plug on the airbox (optional). Press Box Plug into box opening and snap in place

STEP 3D. Install Box into Engine Bay

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3D: Install Box into Engine Bay

TIP: To make extra room for this air box, use a screwdriver or panel tool to disconnect this electrical harness connection from the fender well area.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3D: Install Box into Engine Bay

Place the airbox in the engine bay and line up the fender seal with fender opening.

Line up the (3) mounting points and secure with supplied (3) M8 bolts and (3) M8 washers

STEP 3E. Connecting the Intake Tube

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Install the air filter in the air box.

Using the provided gasket, plate, and screws attach install the MAF sensor from the stock air box to the S&B Filters Intake tube.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Screw in the barbed hose fitting onto the intake tube. And, then, hand tighten with only using an 11mm wrench to secure.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Install the rubber throttle body coupler onto the intake tube, then insert the intake tube into the air box.

After you do that, slide the coupler over throttle body and tighten the hose clamp.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Connect provided vacuum hose to the engine block and attach to the barbed hose fitting on the intake tube.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Connect stock CCV hose to the intake tube and secure with clamp.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 2C: Remove Intake Tube & Filter

Reconnect electrical harness to MAF sensor.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Attach air filter, with provided hose clamps to the intake tube and secure by tightening.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3E: Connecting the Intake Tube

Install rubber stripping around the airbox top.

S&B Filters & Cold Air Intake Install and In-House 0-60 MPH Acceleration Testing - Step 3D: Install Box into Engine Bay

Peel off protective covering on provided clear lid and install with provided washers and screws to the top of the airbox.

STEP 4. (Final Step) Reinstall Engine Cover

The final step is to reinstall the engine cover. Then, just reconnect the negative battery cable

NOTE: First initial start after installation, the engine will dump and shut off. This is completely normal, proceed to start the engine again.

INITIAL IMPRESSIONS

First off I am a sucker for the WOOSH and extra little growl that I hear when throttling on the gas.

Overall the installation was pretty simple, although I did run into fitment issues because this is a BIG air box, much larger than the stock air box.

To allow for fitment I needed to unclip a seemingly unnecessary electrical harness mounting point that was on the backside of the box.

Aside from that, the installation went flawlessly. S&B Filters boasts a 42.99% air flow improvement through their in-house testing of the unit.

To test if this air flow improvement translated into real-world application, I collected data from several 0-60 mph times, both with the stock CAI and S&B Filters CAI.

While Dyno testing would have been a great way to test for HP or Torque gains, the goal of this test was to see if the CAI air flow had direct performance gains in acceleration.

This test was completed by using OBD Fusion to record speed data from multiple 0-60 runs.

All runs were taken during the same day, then the average of after times were compared to stock.

SB Filters Intake Chart - 5th Gen 4Runner

As you can see from the above graph, after installing the S&B Filters CAI, my 4Runner showed to achieve a higher speed (mph) during acceleration (between 2 to 8 seconds of it’s 0-60 timed run) as well as a smoother curve.

CONCLUSION

During my tests I showed an increase in 0-60 mph times (on average 1 second faster than stock), showing its greatest improvement happening between the first 6 seconds of acceleration.

The S&B Filters Cold Air Intake was able to increase flow and give a slight advantage towards acceleration gains.

The 4Runner isn’t the fastest, well-powered vehicle on the street, and this more budget-friendly CAI was able to give a little more oomph to my hefty 4Runner.

Questions or Comments? Leave them below!

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Devin CassanRay556boyer_4rnrFrank Rebelojubei kubegami Recent comment authors
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Ryan Gibbons
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Ryan Gibbons

Will this work if you have a snorkel setup?

jubei kubegami
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jubei kubegami

Just pulled the trigger on this! I was debating for a long time whether or not I wanted to put a CAI on what appears to be a well-designed stock intake. What convinced me? 1. This will probably be my last internal-combustion engine, so I’m going all out. 2. I love the sound of a well-tuned engine (streets will be quiet before you know it). 3. Extra Power: Long term plans include exhaust and tune. I’ll be pulling a trailer and will want all the extra power I can get. I’m going Will be posting a review shortly after installation.… Read more »

jrboyer
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jrboyer

I’ve got a KN intake paired with a magnaflow exhaust on my 18’. I like the way this kit looks, the clear top to check for dirt is a nice touch, the very straight pipe to the engine is really nice (KN has some minor kinks, no big deal), and it looks like it has an oval filter which only increases the amount of air that can get in the motor I assume). The graph of information is pretty interesting. As expected, and as I experienced, an intake is not exactly going to give you power, but the smoothness of… Read more »

Ray
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Ray

Good work Frank, thanks for the info! I was expecting to see a bigger difference. It would be really interesting to see your test done against the K&N drop-in filter, I bet the difference would be minimal except for the lack of awesome intake growl(I’m a sucker for it too!). What’s the surface area of the S&B cone filter vs the OEM filter?

Devin Cassan
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Devin Cassan

Thanks for the great write up! I used this in conjunction with the instructions that came with it and together it was a super easy install! Another option for purchase is from Jason Burtman at Burtman Industries. I recommend due to a missing part in my original kit and he made sure I had it quickly, no questions asked.
Like others have mentioned, no noticeable power gain, amazing sound, great look, and I’ve actually averaged an overall .5-.75 mpg increase!

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