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AWE Tuning B8 S5 4.2L S-FLO Carbon Intake -
AWE Tuning B8 S5 4.2L S-FLO Carbon Intake -
AWE Tuning B8 S5 4.2L S-FLO Carbon Intake -
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AWE Tuning B8 S5 4.2L S-FLO Carbon Intake

AWE Tuning
In stock
Cold Air Intakes
$798.82 $679.00

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AWE Tuning B8 S5 4.2L S-FLO Carbon Intake

S-Flo Carbon Intake: The Full Package

The AWE Tuning S-FLO Carbon Intake is the full kit, containing the S-FLO Intake, the S-FLO Carbon Cover, the S-FLO Filter, our engineered Nomex reinforced silicon hose, and all necessary brackets and mounting hardware.

Ambient air is drawn into the inlet in a ram-air fashion and fed beneath the S-FLO Carbon Cover. The inlet provides the airbox with constant cold air, compared to an air intake that draws air from the hot engine bay. This cold air results in impressive power gains when filtered through the AWE Tuning S-FLO Intake.

S-Flo Intake

The AWE Tuning S-FLO Intake was engineered to improve the 4.2L's ability to draw in cool air while creating impressive power gains.

The AWE Tuning 4.2L S-FLO Intake uses a high flow,4 ply Nomex, fluorosilicone lined, steel wire reinforced silicon air tube to replace the restrictive factory hose. This high flow silicone tube allows cool air to travel freely to the motor. This specifically designed hose is engineered to have optimal flow geometry through the inlet, center section, and outlet of the tube. Furthermore, the silicone hose utilizes a molded lip to ensure a proper seal on both the S-FLO Carbon Cover (or factory airbox) and throttle body for longevity and reliable performance.

The S-Flo Carbon Cover

The S-FLO Carbon Cover is one of our finest carbon fiber pieces to date. Available as a part of the S-FLO Carbon Intake, or independently, the S-FLO Carbon Cover is made of 2x2 high-grade carbon fiber and was specifically designed by AWE Tuning. The S-FLO Carbon Cover includes a full carbon fiber air inlet and lid, both of which mount directly in the stock locations to guarantee perfect, tight fitment.

S-Flo Filter

The AWE Tuning 4.2L S-FLO Intake uses the proprietary S-FLO Filter, which comes with the S-FLO Intake or S-FLO Carbon Intake, or is available separately. This is a washable, oiled, large cylindrical filter that has been tested to allow up to 34% more airflow than the factory paper filter. The S-FLO Filter is the largest filter that can fit within the air box.

The entirety of the S-FLO line up was designed and tested on AWE Tuning in house vehicles, and are cost effective, incredibly attractive upgrades.


  • Perfect fitment, perfectly engineered
  • Engineered and tested in-house at AWE Tuning
  • Max gains: +11 hp and +9 tq at the crank with the S-FLO Intake
  • Mounts in the factory location for a sleek OEM look
  • Perfect Fitment - Guaranteed
  • Audi B8 S5 4.2L 08-12
  • Pictures Used For Marketing Purposes Only, Actual Product May Vary
  • Please note, AWE Tuning S-FLO Intakes are for racing use only.
For Carbon Install Instructions CLICK HERE
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