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AEM Cold Air Intake System Offers Estimated Boost of 8-HP on 2014-2015 Lexus GS350

The AEM 21-806C Cold Air Intake System is designed for 2014 and 2015 Lexus GS350s.

The AEM 21-806C cold air intake system offers an estimated boost of 8-HP on 2014-15 Lexus GS350s

Manufactured by Lexus, the luxury division of Toyota, the GS Series is a mid-size luxury car that debuted in 1991 as the Toyota Aristo in Japan, but was given the Lexus-badge in 1993. It sold under the Aristo name in Japan only until the third-generation of the car was introduced in 2005.

A performance sedan, the GS was slotted between the entry-level compact luxury IS and the large, flagship LS and was assigned the same chassis as the one used on the Toyota Crown premium sedan.

The car is now in its fourth generation and features 6-cylinder and V8 engines and rear-wheel drive configuration, which were introduced in the second and third generations as well as all-wheel drive and a hybrid that was released in 2005.

The GS first appeared in the United States and Europe and selected nations in Asia in 1993. An inline-6 engine powered the car.

The car debuted with a new platform and a V8 engine at the start of its second-generation in 1997. It was the first V8 used on GS models outside Japan.

A V6, V8 and hybrid powertrain was included on the third generation models, which were unveiled worldwide in time for the 2006 model year.

By the time of the introduction of the fourth generation models, the GS series models were available with a choice of six engines.

• 2.0-liter 8AR-FTS I4 turbocharged gasoline engine

• 2.5-liter 2AR-FSE I4 hybrid/gasoline engine

• 2.5-liter 4GR FSE V6 gasoline engine

• 3.5-liter 2GR-FSE V6 gasoline engine

• 3.5-liter 2GR-FXE V6 hybrid/gasoline engine

• 5.0-liter 2UR-GSE V8 gasoline engine

Four transmissions were available:

• 6-speed automatic

• CVT automatic (hybrid)

• 8-speed AA80E automatic

• 8-speed AA8IE automatic

The engines that power the GS350 include:

• 2.5-liter 2GR-FSE V6, which produces 304-horsepower (227 kW; 309 PS) at 6,400 RPM and 278-lb-ft (38.4-kg-m; 377 N-m) at 4,800 RPM. The engine features port injection and new dual fan spray pattern direct injectors that move perpendicular to the piston travel with wide cylinder dispersion, which aids in the mixing of the air and fuel resulting in increased power and efficiency.

• 3.5-liter 2GR-FSE V6, which delivers 305-horsepower (227 kW; 309 PS) at 6,400 RPM and 278-lb-ft (377 N-m; 38.4 kg-m) at 4,800 RPM

The models equipped with the 3.5-liter V6 and using the 6-speed automatic accelerated from 0 to 60-mph in 5.8-seconds. Estimated EPA fuel economy ratings for rear-wheel drive models are 19-mpg in the city, 29-mpg on the highway and 23-mpg combined. For all-wheel-drive, the car achieved 19-mpg in the city, 26-mpg on the highway and 21-mpg combined.

New for 2014 was the 8-speed automatic transmission, steering wheel mounted paddle shifters, full color readout for the optional heads-up display, rear cross-traffic alerts for the optional blind spot monitoring system, an optional power trunk opener, and a Siri Eyes Free improved voice control for Apple mobile devices.

New on the 2015 model are a new infotainment display the subdivides to view and control up to three different functions including audio and navigation, 18-inch wheels that are standard, and a new limited-edition Crafted Line Trim.

Owners of a 2014 or 2015 Lexus GS350 with the 3.5-liter V6 who wish to boost horsepower, acceleration, torque, throttle response, and enhance engine sound should consider exchanging the factory air intake system with the AEM 21-806C cold air intake system. A dyno-test confirmed that the air intake offers an estimated boost of 8-horsepower at 5300 RPM.

The AEM 21-806C Intake has an air filter, aluminum tube, heat shield and stainless steel clamps.

The AEM 21-806C intake includes an AEM 21-2113DK air filter, aluminum tube and heat shield

It includes a washable and reusable AEM 21-2113DK DryFlow air filter that lasts for 100,000 miles between servicing. The media also includes three-dimensional proprietary non-woven polyester material sandwiched between two layers of coated aluminum wire screen to ensure rigidity and helps to give the material the ability to capture and hold contaminants and keep them from entering the engine.

AEM also offers 1-1000 air filter cleaner that is specially formulated to cleanse and rejuvenate the air filter so that it can be used over and over again for the life of the car.

The intake also includes gunmetal gray powder coated mandrel-bent aluminum intake tube as well as a heat shield to block hot engine air from getting into the intake, three stainless steel clamps and one coupler.

The air filter is designed to fit into the factory air box and the air intake system accommodates the factory engine emission control devices including the mass airflow sensor and PCV hose.

AEM is so sure of the quality of the 21-806C cold air intake system it covers it with a Lifetime Limited Warranty.

The air intake system can be installed using common hand tools and is designed to fit the following vehicles:

2015 LEXUS GS350 3.5L V6 Fuel Injection - All Models
2014 LEXUS GS350 3.5L V6 Fuel Injection - All Models


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