AEM Adds Estimated 7 Horsepower 2011, 2012, 2013, 2014. 2015 and 2016 Scion tC

Engine Bay with AEM Scion tC Air Intake 21-725C
Engine Bay with AEM Scion tC Air Intake 21-725C
When the folks who created the Scion tC first started, they knew they needed to bring something that was missing from the small car market: alternative style. Toyota already had a long history on how to design reliable and dependable cars in the real world so their engineers focused on the word simplify. It's something you can see in every one of Scion's cars. From the tC to the new FR-S, the engineers and designers at Scion found the right balance of dependability and performance in an affordable-to-own yet fun-to-drive package.
AEM Polished Cold Air Intake 21-725P for Scion tC
AEM Polished Cold Air Intake 21-725P for Scion tC

It was with this spirit in mind that we designed and engineered theAEM 21-725C and 21-725P Cold Air Intake systems for 2011, 2012, 2013, 2014, 2015 and 2016 Scion tC models with 2.5L engines. We knew that Scion enthusiasts wanted even more performance, better throttle response, and enhanced engine sound than the factory intake, but only if it came in a dependable, trouble-free design.

First, like all of our air intakes, the 21-725C and 21-725P systems feature a washable and reusable AEM Dryflow™ Synthetic Air Filter to increase air flow over the stock filter while providing outstanding protection for your engine. Next, our intake was designed to locate the filter low inside the fender well to introduce cooler, denser air to the engine. The intake tube with venturi was designed and flow bench tested to decrease restriction and provide a dyno-proven power increase over the stock intake. Dyno tests resulted in estimated power gains of 7.7HP @ 6200 RPM and good mid-range torque gains from 3000RPM to redline, with an estimated maximum gain of 6 ft-lbs @ 6200RPM.
AEM Air Intake for Scion tC
Dyno Chart for Scion tC Air Intake 21-725P
Dyno Chart for Scion tC Air Intake 21-725P
  • Increase in Horsepower
  • Performance Dryflow Synthetic Air Filter
  • Excellent Air Filtration
  • Full Cold Air Intake System
  • Mass Air Sensor Extension
  • Lifetime Limited Warranty

We then put hundreds of miles of road under our tC test cars and reviewed several megabytes of engine data to ensure that our intake worked with the stock engine calibration. We used high quality aluminum to fabricate the intake tube and mounting brackets, which are then assembled together with high-strength welds and powder coated for a durable, show-ready shine. The 21-725C is finished in our AEM gunmetal gray powder coat and the 21-725P has a polished, chrome-like finish. Finally, our work is done here in the U.S.A. where we can keep an eye on quality. All of our products are covered by AEM's Lifetime Limited Warranty.
AEM Gunmetal-Gray Cold Air Intake 21-725P for Scion tC
AEM Gunmetal-Gray Cold Air Intake 21-725P for Scion tC

When you put all of that together, it means plenty of reliable fun and worry-free performance from our 21-725C and 21-725P Cold Air Intakes. Just bolt it on with simple hand tools, plug in your MAF sensor, and go! A step-by-step Instruction Sheet is included for easy installation. That's just AEM keeping it simple.

Depending on your driving conditions, the Dryflow™ air filter on the 21-725C and 21-725P intake can go up to 100,000 miles before service is needed. Cleaning your air filter is very easy with our 1-1000 AEM Dryflow™ Air Filter Cleaner. This cleaner has been designed and tested on our Dryflow™ media and comes in an attractive AEM yellow 32-ounce spray bottle.
    AEM's 21-725C and 21-725P cold air intakes fit the following Scion tC models:
  • 2016 SCION TC 2.5L L4
  • 2015 SCION TC 2.5L L4
  • 2014 SCION TC 2.5L L4
  • 2013 SCION TC 2.5L L4
  • 2012 SCION TC 2.5L L4
  • 2011 SCION TC 2.5L L4
AEM cold air intakes for Scion tC models can be found on the Scion tC Cold Air Intakes page. AEM performance products for other vehicles can be found using the AEM Product Search. To find an AEM dealer near you, use Search for AEM Dealer or simply visit

AEM Articles about the Scion tC

  • AEM's ETI Cold Air Intakes Add 9 HP to 2008, 2009 and 2010 Scion tC 2.4L
  • Increase the Performance of Your 2005-06 Scion tC Coupe With a New AEM Air Intake System
  • Need for Speed Scion tC Formula DRIFT Team Continues to Improve Through 2011
  • AEM's 2010 SEMA Booth to Host Tanner Foust's Scion tC Formula D Car