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EVENTURI BLACK CARBON INTAKE SYSTEM FOR B9 AUDI S4 & S5 [EVE-B9S5-CF-INT]

Name: EVENTURI BLACK CARBON INTAKE SYSTEM FOR B9 AUDI S4 &amp; S5 [EVE-B9S5-CF-INT]
SKU: EVE-B9S5-CF-INT
Price: 1550.00 USD
Availability: InStock

SKU: EVE-B9S5-CF-INT

Eventuri - Carbon Fiber Air Intake Systems

$1,550.00

In Stock

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OEM-quality fitment for precise installation.

Sourced from certified, top-tier automotive brands.

Eventuri Black Carbon Intake System for B9 Audi S4 & S5

Eventuri’s Audi B9 S4 / S5 intake is engineered to reduce restriction to the turbo while preserving low inlet temperatures. Because the S4 / S5 engine bay heat-soaks rapidly, Eventuri redesigned the entire inlet path from the turbo inlet to the front grille into a highly efficient sealed system. The restrictive OEM air box and flexible plastic inlet are replaced by a Venturi filter housing and smoothly transitioning ductwork. Eliminating the convoluted stock tube in favor of a one-piece Venturi housing and rigid inlet results in a far smoother airstream into the turbo. The outcome is industry-leading performance and aesthetics for the platform.

Carbon Intake Housing Assembly

Eventuri’s filter-housing assembly integrates a bespoke Gen 2 reverse-mounted filter, a carbon pod, and an integrated outlet tube matched in diameter to the factory turbo tube. By extending the housing and tube directly to the stock turbo connection and mounting to the engine, the design eliminates the need for a convoluted rubber hose; as the engine moves under load, the housing moves with it while an expanding rubber extrusion at the duct face maintains an airtight seal. The pod’s smooth, tapering cross-section invokes the Venturi effect accelerating airflow while preserving laminar conditions functioning like a large velocity stack. Eventuri’s bespoke filters further stabilize the airstream, promoting an even velocity profile at the housing exit. Additional technical details are available on the Technology and Filters pages.

Carbon Fiber Intake Duct

Eventuri’s duct channels ambient air from the scoop into the filter housing and establishes a sealed plenum of cool air ahead of the element for immediate supply. Maximizing the available engine-bay volume, the duct employs flexible rubber edging at its interfaces to the housing and OEM front duct, maintaining an airtight seal against engine-bay heat while allowing the assembly to move with the engine. To further enhance flow, a secondary rear opening draws from a cold region of the bay. This geometrically complex component is a core element of the B9 S4 / S5 intake design.

Carbon Fiber Air Scoop

Eventuri identifies the front carbon scoop as essential for directing ambient air into the duct and onward to the filter. Designed with a constant bend radius for maximum efficiency, the scoop guides incoming flow cleanly to the duct opening, helping minimize inlet temperatures and accelerating IAT recovery after heat soak during standstill.

Custom Bracket Work

Eventuri devotes significant development to application-specific mounting hardware. For the B9 S4 / S5 system, laser-cut stainless-steel brackets are powder-coated for durability, then paired with CNC-machined mounts that locate into the factory rubber grommets used by the OEM air box delivering an OEM-level fit. Together, these components elevate the driving experience and present a cohesive display of form and function within the engine bay.

Performance

Eventuri validated the B9 S4 / S5 intake with same-day VBOX testing on the same road, recording 60–130 mph and 100–200km/h acceleration. With only the intake added, 60–130 mph dropped from 14.72 s (stock) to 14.24s (Eventuri), and 100–200km/h improved from 12.45s to 12.12s, nearly half a second quicker at high speed. These road results underscore gains that exceed static dyno indications under real flow conditions. The advantages derive from three factors: a fully sealed system and front scoop that keep IATs low; a Venturi housing that transitions smoothly from filter to tube without a convoluted rubber section, preserving laminar flow for turbo efficiency; and construction from pure pre-preg carbon fiber, which insulates effectively against heat.

Features

Sealed carbon intake path from grille to turbo
Patented Venturi housing with integrated outlet tube
Prepreg carbon duct with sealed plenum and secondary cold-air opening
Front carbon scoop with constant-radius flow to minimize IATs
Laser-cut stainless brackets and CNC mounts for OEM-level fit
Reduced restriction and smoother, laminar airflow to the turbo

Specifications

Performance Gain:
- Horsepower: 13-17hp
- Torque: 15-20ft-lb
V-Box Acceleration: 60-130mph Reduced By 0.5 Seconds

What’s Included

Carbon Fiber Venturi housing with integrated tube
High Flow Generation 2 Filter
Carbon Fiber Intake Duct
Carbon Fiber Front Scoop
High Quality Silicon Couplers and OEM Spec Hose Clamps
Laser Cut Stainless Steel Bracket Work
CNC Machined Mounting Stubs

Applications

Audi S4: B9 (2016-2023)
[CWGD – 3.0L V6 turbo] [DECA – 3.0L V6 turbo]
Audi S5: B9 (2017-2023)
[CWUA – 3.0L V6 turbo] [DECA – 3.0L V6 turbo]

Notes

This item is not eligible for return
Installation Guide

Frequently Asked Questions

Will the Eventuri Audi B9 S4 / S5 Black Carbon Intake System fit my car?
Yes. This intake is engineered specifically for the Audi B9 S4 3.0T and the Audi B9 S5 3.0T in both Coupe and Sportback body styles. It is a direct-fit system built to OEM-level fitment standards, using laser-cut stainless steel bracketry and CNC-machined mounting stubs that locate to the factory mounting points on the B9 platform.
How does the Eventuri B9 S4 / S5 carbon intake make power?
The system replaces the restrictive factory airbox and plastic inlet with a one-piece patented carbon fiber Venturi housing and rigid intake tube, reducing turbulence and maintaining airflow velocity into the turbocharger. A carbon front scoop and intake duct feed ambient air into the sealed housing. Independent testing recorded gains of 13-17hp and 15-20ft-lb of torque.
Does the sealed design keep intake temperatures low?
Yes. Rather than an open cone layout that raises airflow at the cost of heat, Eventuri built a sealed carbon system that shields the filter from engine bay heat. The carbon scoop and duct channel a continuous supply of cold air from the front grille, supporting consistent power delivery and lower inlet temperatures even in heat-soaked conditions.
What is the Eventuri B9 intake made from, and how difficult is installation?
The system uses prepreg black carbon fiber construction throughout, including the Venturi housing, intake tube, scoop, and duct, paired with high-quality silicone couplers and OEM-spec hose clamps. Installation is a Level-2 bolt-on using the supplied bracketry and mounting hardware; no cutting or permanent modification is required, and all connection points locate to factory positions.
Which replacement filter does this intake use?
This system uses the Eventuri Generation 2 high-flow air filter. The correct service replacement is the Eventuri Type B, part number EVE-661-G2-FTR. The dry filtration media requires no oil, so there is no risk of oil contamination on the mass airflow sensor during servicing.
Is the Eventuri B9 carbon intake CARB compliant?
This intake has not been granted a CARB Executive Order number and is intended for off-road or racing use where permitted. It is not legal for street use on pollution-controlled vehicles in California or states following CARB standards. Buyers are responsible for confirming local emissions regulations; review the vendor’s emissions compliance notice before purchase.

About Eventuri

Eventuri was founded by a team of engineers and enthusiasts with a background in Aeronautics and tuning – all sharing a passion for cars and performance. After owning various intakes over many years for their own cars and being disappointed with the gains which seldom lived up to their claims – they decided to take things into our own hands and rewrite the book. To set a new benchmark in intake design and technology, above all – to engineer systems which provide real gains and then to publish genuine figures. Their systems are extensively developed using cutting edge design, testing and prototyping methods. With a focus on performance, each design undergoes CFD analysis and is then validated at the prototype stage through volumetric airflow, intake temperature and extensive dynamometer testing. They strive to publish all the development information to illustrate the depths they go to in bringing an intake from concept to reality. Only the best materials are selected for each component – even down to the choice of fasteners and fixings in order to ensure that the quality of the end product is second to none. After many years of disappointment with the usual aftermarket intakes, they are proud to be raising the bar and creating intake systems which are setting a new standard and genuinely improve the performance of your vehicle.

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Please review the product dimensions carefully to ensure the right fit for your space
Color may vary slightly due to lighting and screen settings
Materials and finishes are selected for both durability and visual appeal
Some items may require simple assembly upon delivery
Perfect for both everyday use and long-term comfort

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Product Size Guide

Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.

Category	Small	Medium	Large
Decor & Accessories	Up to 10″	10″ – 20″	20″+
Tables	Up to 30″	30″ – 60″	60″+
Seating	1 Seater	2–3 Seater	4+ Seater
Storage Units	Compact	Standard	Large Capacity
Lighting	Small Fixture	Standard Fixture	Large Fixture

Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.

EVENTURI BLACK CARBON INTAKE SYSTEM FOR B9 AUDI S4 & S5 [EVE-B9S5-CF-INT]

$1,550.00 Add to Cart

EVENTURI BLACK CARBON INTAKE SYSTEM FOR B9 AUDI S4 & S5 [EVE-B9S5-CF-INT]