The AEM 22-688C Performance Air Intake System is a free-flowing, mandrel-bent aluminum tube air induction system designed to replace the restrictive factory air filter and intake tubing while retaining the factory air box on select Lexus IS250, IS350, GS350, and RC350 models sharing the 3.5L V6. The system comes with a replacement AEM high-flow Dryflow air filter and a free-flowing aluminum intake tube that connects to the factory air box and throttle body to increase airflow, delivering more horsepower and acceleration through the engine's RPM range. The intake tube accommodates a breather hose and is finished in a durable gunmetal gray powder-coat for a clean, high-performance look under the hood. The AEM Dryflow air filter is oil-free synthetic media that can go up to 100,000 miles before servicing is needed, depending on driving conditions. Installation requires only a screwdriver and a ratchet set, and the system is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50-state legal; view the vehicle applications below to determine legal status for each vehicle.
Installation InstructionsAdditional Documentation
Specifications:
- Free-flowing mandrel-bent aluminum intake tube with gunmetal gray powder coat finish
- Washable, reusable, oil-free AEM Dryflow synthetic air filter (up to 100,000 miles between services)
- Retains factory air box; accommodates factory breather hose
- AEM Lifetime Limited Warranty
- Part Number: 22-688C
Vehicle Applications
- 2013 Lexus GS350 Base
- 2014 Lexus GS350 Base
- 2015 Lexus GS350 Base
- 2016 Lexus GS350 Base
- 2017 Lexus GS350 Base
- 2018 Lexus GS350 Base
- 2019 Lexus GS350 Base
- 2020 Lexus GS350 Base
- 2013 Lexus GS350 F Sport
- 2014 Lexus GS350 F Sport
- 2015 Lexus GS350 F Sport
- 2016 Lexus GS350 F Sport
- 2017 Lexus GS350 F Sport
- 2018 Lexus GS350 F Sport
- 2019 Lexus GS350 F Sport
- 2020 Lexus GS350 F Sport
- 2014 Lexus IS250 Base
- 2015 Lexus IS250 Base
- 2014 Lexus IS250 C
- 2015 Lexus IS250 C
- 2014 Lexus IS250 C F Sport
- 2015 Lexus IS250 C F Sport
- 2014 Lexus IS250 F Sport
- 2015 Lexus IS250 F Sport
- 2013 Lexus IS350 Base
- 2014 Lexus IS350 Base
- 2015 Lexus IS350 Base
- 2016 Lexus IS350 Base
- 2017 Lexus IS350 Base
- 2018 Lexus IS350 Base
- 2019 Lexus IS350 Base
- 2020 Lexus IS350 Base
- 2013 Lexus IS350 C
- 2014 Lexus IS350 C
- 2015 Lexus IS350 C
- 2014 Lexus IS350 C F Sport
- 2015 Lexus IS350 C F Sport
- 2014 Lexus IS350 F Sport
- 2015 Lexus IS350 F Sport
- 2016 Lexus IS350 F Sport
- 2017 Lexus IS350 F Sport
- 2018 Lexus IS350 F Sport
- 2019 Lexus IS350 F Sport
- 2020 Lexus IS350 F Sport
- 2021 Lexus IS350 F Sport
- 2015 Lexus RC350 Base
- 2016 Lexus RC350 Base
- 2017 Lexus RC350 Base
- 2018 Lexus RC350 Base
- 2019 Lexus RC350 Base
- 2020 Lexus RC350 Base
- 2021 Lexus RC350 Base
- 2015 Lexus RC350 F Sport
- 2016 Lexus RC350 F Sport
- 2017 Lexus RC350 F Sport
- 2018 Lexus RC350 F Sport
- 2019 Lexus RC350 F Sport
- 2020 Lexus RC350 F Sport
- 2021 Lexus RC350 F Sport
FAQ
What vehicles fit the AEM 22-688C cold air intake?
AEM's fitment data for part number 22-688C covers the Lexus GS350 (2013-2020), IS250 (2014-2015), IS350 (2013-2020 Base/C, 2014-2021 F Sport), and RC350 (2015-2021), all with the shared 3.5L V6 engine.
Does this intake fit the 2015 IS250/IS350 specifically?
Yes. The 2015 model year is covered for both the IS250 and IS350 across Base, C, C F Sport, and F Sport trims, along with the broader GS350 and RC350 fitment listed above.
Is the AEM 22-688C intake legal in California?
Emissions legality varies by application; some AEM intakes are 50-state legal while others are not legal for sale or use in California and other CARB-adopting states. Verify status for this specific fitment before purchase.