AEM 21-833C Cold Air Intake for 2006-2013 Lexus IS250/IS350 2.5L/3.5L

Vehicle Fitment

• 2006-2013 Lexus IS250 (2.5L I4 gasoline)
• 2006-2013 Lexus IS350 (3.5L V6 gasoline)
• 2010-2013 Lexus IS250 C (2.5L I4 gasoline)
• 2010-2013 Lexus IS350 C (3.5L V6 gasoline)

Features

• Cold air intake system engineered for Lexus IS250 and IS350 models
• Designed, tuned, and **dyno-tested** to improve airflow, horsepower, and torque
• Oversized AEM Dryflow synthetic washable air filter - oil-free, reusable up to ~100,000 miles
• Mandrel-bent aluminum intake tube with durable gunmetal gray powder-coat finish
• Custom shaped heat shield with edge trim lining reduces intake air temperatures
• Improves throttle response and engine sound while enhancing performance
• Includes all necessary mounting hardware and clamps for a bolt-on installation
• Limited lifetime manufacturer warranty

Specifications

• Part number: AEM 21-833C
• Application: Cold air intake system
• Fitment years: 2006-2013
• Compatible engines: 2.5L I4 & 3.5L V6 gasoline (IS250/IS350)
• Estimated horsepower gain: ~9.7 HP @ ~5500 RPM
• Air filter material: non-woven Dryflow synthetic (red)
• Intake tube material: mandrel-bent aluminum (gunmetal gray)
• Clamps included: 3 stainless steel worm-gear clamps
• Coupler included: 1
• Replacement filter: AEM 21-2113DK
• Compliance: **Not legal for sale or use in California** on pollution-controlled vehicles

Included Components

• 1x AEM Dryflow synthetic air filter
• 1x Mandrel-bent aluminum intake tube
• 1x Heat shield with edge trim lining
• 3x Stainless steel worm-gear clamps
• 1x Intake coupler
• Mounting hardware set
• Installation instructions

Product Description

The AEM 21-833C Cold Air Intake System is a tailored performance upgrade for **Lexus IS250 and IS350 models (2006-2013)**, including convertible IS250 C and IS350 C variants. This system replaces the restrictive factory airbox and tubing with a high-flow intake that increases airflow into the engine, helping improve horsepower, torque, and throttle responsiveness. Tested and tuned for this specific application, the design draws in cooler, denser air while also enhancing induction sound for a more engaging driving experience.

Featuring an oversized Dryflow synthetic washable air filter, this intake requires no oiling and can provide extended service life before cleaning is necessary. The mandrel-bent aluminum intake tube with gunmetal gray finish delivers smooth airflow and durability, and the custom heat shield helps minimize intake air temperatures. Installation is straightforward with the included hardware and clamps, making it a popular bolt-on upgrade for enthusiasts looking for measurable performance improvements. Backed by AEM's limited lifetime warranty, the 21-833C delivers reliable performance gains and long-term durability. **Note:** This intake is not legal for sale or use in California or other states adopting California emissions rules.