2011 SEMA Preview: 2013 Lexus GS F Sport by Five Axis

Article by Christian A., on October 26, 2011

Five Axis already has a tradition in tuning Lexus cars and this year is returning to the SEMA Show with Troy Sumitomo in order to show us their latest tuning kit for the brand new 2013 Lexus GS 350. As you can see from the photos, the car has a special Glacier White Paint with custom Slate Gray accents but also an impressive body kit.

The kit consists of a front bumper with bigger air inlets which gives the car a mean look, new side sills, a rear trunk spoiler but also a rear bumper with integrated air diffuser and dual-pipe exhaust system.

The design is completed by the 20-inch alloy wheels painted in black and wrapped in high performance Yokohama Advan Sport tires. Behind the wheels we find the Stoptech brake kit but also a new AirRunner TC-5 Air Suspension System.

According to the manufacturer, the exhaust is custom made and was produced by Five Axis. Inside, we find unique silver textured accents but more will be revealed next week at the 2011 SEMA Show. P.S. Also check the 2013 Lexus GS with F Sport Package!

To enable the new Lexus GS to deliver a more engaging driving experience, the carmaker’s engineers didn’t have to look too far. Engineers saw the Lexus LFA supercar as more than enough inspiration to come up with an entirely new platform with a wider stance and stiffer structure as well as a new aerodynamic body. The LFA also served as an inspiration for a new transmission with quicker shifts, characteristic engine sound and exhaust notes as well as enhanced seat support.

Lexus designed the new platform to be more rigid, adding more spot welds as well as more laser welds in specific locations. Likewise, engineers had the platform undergo extensive testing. This new platform boasts of a wider track (plus nearly two inches) that, along with a revised suspension design, provide a more solid stance and excellent cornering performance.

The new 2013 GS is also provided with a new suspension system that allows for more precise cornering works. Employing larger bushings, the upper and lower control arms on the front suspension are made from aluminum. Likewise, the rear subframe has been thoroughly redesigned to pave way for an all-new multi-link rear suspension that comes with an enhanced suspension geometry that could help retain tire cornering force while improving rear control. The stiffer platform and the use of lighter components allowed the shocks to use lighter-viscosity oil for greater freedom of movement and greater response speed even to small inputs.

By employing aluminum control arms, Lexus was able to cut unsprung weight, thereby enhancing several performance attributes of the new GS, such as agility, roll damping, body control, steering precision and ride comfort. The new GS comes with a lighter and stronger suspension that could readily react to driver’s input while providing a quiet and smooth ride.

The Lexus GS 350 F Sport package will offer an optional newly developed Lexus Dynamic Handling (LDH) system with Dynamic Rear Steering (DRS) for those seeking more agility. This leading edge platform technology offers Lexus' first integration of DRS; Electric Power Steering; and Variable Gear Ratio Steering.

Monitoring vehicle speed, steering direction and driver inputs, the system calculates the optimum angle for all four wheels. LDH helps to optimize the vehicle slip angle. Using VGRS in the front and DRS in the rear, the system can independently manage both front and rear wheel steering angles to help improve turn-in response, rear grip, vehicle control and overall agility when cornering.

The new GS is equipped with the latest generation of Lexus' Vehicle Dynamics Integrated Management system that could coordinate different elements like the Adaptive Variable Suspension, Anti-lock Braking System, Lexus Dynamic Handling, Traction Control and Vehicle Stability Control. Adaptive Variable Suspension is designed to help front and rear wheel control while at the same time delivering an agile, yet confident driving behavior as it is more responsive to the driver’s input.

Lexus Dynamic Handling system, on the other hand, could calculate the needed rear wheel steering input – up to a DRS angle of 2.0 degrees – monitoring certain parameters like steering angle and speed, vehicle speed and yaw rate, as well as lateral G. At most speeds below 50 mph, the front and rear wheels of the GS turn in opposite directions. But in specific conditions at speeds of more than 50 mph, the front and rear wheels turn in the same direction.

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Topics: lexus, lexus gs, f-sport

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