Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (2024)

Suitable for both DAZA and DWNA

With the 8V RS3 Gen 2 and TTRS 8S platforms being widely used for high power builds, we have developed a groundbreaking intake system to support even those exceeding the 1000whp mark. This stage 3 intake system has been developed to offer the highest possible flow rate whilst maintaining the lowest intake temperatures possible. Each component has been designed to provide the turbo with a smooth and free flowing path. The intake tube has an internal diameter of 103mm or just over 4″ and has a smooth curvature from the filter housing all the way to the turbo inlet. The filter itself has been specifically designed for this intake and has a huge outer diameter of 210mm or 8.3″ with a filtration surface area of over 130,000mm^2. The patented Venturi housing has been designed to provide the maximum internal volume possible for the RS3 engine bay space available and provides laminar flow to the turbo tube. Finally the duct seals the filter opening to the front slam panel but is not restricted by just the stock entry feed. We have lifted the front of the duct to now provide an extra opening behind the hood which is equivalent to an extra 7″ diameter hole for the intake to draw from. The resulting system has the capability of flowing 840 CFM at 28″ H2O while keeping intake temperatures at a minimum with the sealed design.

The 8V RS3/TTRS Eventuri system uses our Patented Carbon fibre Housings which provide an aerodynamically efficient airflow path from the filter to the turbo tubing. Not just another cone filter with a heat shield but a unique design which invokes the Venturi affect.

We conducted flow rate tests using a Superflow SF-1020 to measure the maximum flow rate possible at a pressure drop of 28” H2O. Tests were done on the same day in controlled conditions using the same test jig for each system. We tested our full intake system against the stock airbox system. The results show just how restrictive the stock airbox is, which we have managed to improve by up to 58% in maximum possible flow rate. Importantly this has been achieved with a sealed intake system so the intake temperatures will also be maintained at a minimum.

Notes:
- May not fit with certain Aftermarket Diverter/Dump Valves

Patented Venturi Filter Housing Assembly

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (1)

The Stage 3 filter housing comprises of a bespoke high flow filter, aluminium cowl, laser cut brackets and the carbon pod itself. The carbon pod shrouds the reverse mounted filter and smoothly shape the airflow down to the intake tubes. This smooth reduction in cross sectional area invokes the Venturi effect where the airflow accelerates whilst maintaining laminar conditions. It can be thought of as a large velocity stack - below is a diagram to show the comparison between our patented design and a regular intake system. Further details can be read in the Technology page.

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (2)

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (3)

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (4)

Bespoke Stage 3 Cone Filter

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (5)

In order to achieve the highest flow rate possible we had to redesign our stage 2 filter and increase the size to as large as was possible withing the RS3 engine bay area. The resulting filter has an outside diameter of 210mm or 8.3" and when flow tested with just the carbon housing is able to flow up to 940 CFM at 28" H2O. The filter medium is ISO tested to ensure that filtration is in line with OEM standards and is also dry. The filter is constructed with our signature flow cones to aid in the Venturi housing principle.

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (6)

Carbon Fiber Intake Duct
Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (7)

The duct channels ambient air from the slam panel area to the filter housing. It fits inside the OEM ducting system and smoothly transitions to the circular filter housing shape. In order to ensure a good seal against engine bay heat - it also has a flexible rubber edging around the opening which presses against the filter housings creating the desired seal yet allowing the housing to move with the engine. Since this was designed to support high power builds, we found that the stock openings in the slam panel could cause a restriction at high flow demand. So we lifted the top surface of the duct and created an opening above the slam panel which is able to draw in cold air from behind the hood shut. This extra opening is equivalent to a hole with a diameter of over 7" and completely derestricts the stock cold air feed. The stage 3 duct was designed to have the maximum internal volume possible within the given geometry of the engine bay. This ensures that the filter housing is able to draw with minimum restriction.

We also made sure that the stage 3 duct is compatible with larger aftermarket throttle bodies.

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (8)

Carbon Fiber Intake Tube
Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (9)

The intake tube is crafted from 100% prepreg carbon fiber and so as mentioned the internal surface is smooth and the carbon weave can be seen. The stage 3 tube has an internal diameter of 103mm or 4" and has a smoooth curvature to minimise pressure drop. It channels airflow from the Venturi housing to the turbo inlet. The smooth bend geometry ensures laminar flow is maintained from the filters to the exits.

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (10)

Heat Shield
Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (11)

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (12)

Due to the intense heat generated by the turbo, we designed a heat shield to protect the carbon tube. The shield is powder coated black but has a gold reflective layer on the base which deflects radiation heat from the turbo and catalyst. It has a stainless steel brace to provide rigidity and curves around the back of the tube to deflect convective heat away. Please note - this shield may not fit some full frame turbo systems with a different exhaust manifold.OPF (DWNA) Adapter

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (13)

Eventuri Carbon Fibre Stage 3 Intake System - Audi RS3 8V FL and TT RS (2024)

FAQs

How much HP does a Eventuri intake add? ›

Performance Increase : 12-15hp, 14-18ft-lb

The B58 Eventuri intake system is another example of our “Complete System” principal.

Does Eventuri intake need a tune? ›

The eventuri has the dual intake paths . Vividracing said no need for a tune .

What Turbo is on RS3? ›

A TTE855 Is an original RS3 8V. 2/TTRS 8S DAZA, DNWA turbocharger reworked for the older generation CEPA, CEPB & CZGB motors.

Which intake adds the most horsepower? ›

When it comes to performance automotive upgrades, a cold air intake system is one of the best options for boosting horsepower and torque. But that's not all, cold air intakes are also affordable, easy to install, and can enhance your car's fuel economy, aesthetics, and acoustics.

How much HP does a sport intake add? ›

How Much HP Does a Cold Air Intake Add? When upgrading your air intake, truck owners can expect an increase of between 5 to 15 horsepower, though this number can be higher or lower depending on your make, model, engine size, and type of intake.

How much HP can you get out of a RS3? ›

Small but powerful, the 2025 Audi RS3 sedan is ready to thrill—or chill when the need for less extroverted behavior is required. The heart of the subcompact RS3 is its unique turbocharged inline five-cylinder engine, which kicks out 401 horses to all four wheels, singing its inimitable song along the way.

How much HP does Stage 3 add? ›

Typically, a stage 3 tune can result in a horsepower increase of anywhere from 20% to 40% over the stock figures. For some cars, this might mean an additional 50 HP, while for others, it could mean an increase of 100 HP or more. The starting horsepower of the vehicle plays a significant role.

What makes the RS3 so fast? ›

Because it's a small, fast Audi, the RS 3 features a front-biased all-wheel-drive system, but this generation of RS 3 now features a new torque-vectoring rear differential (in addition to a near-magic front diff) that can send as much as 50% of the engine's available torque to either of the rear wheels, the same unit ...

Do you need a tune after installing an intake? ›

With that said, it's important to remember that without tuning, your car won't utilize your new air intake system at 100 percent. This means that your car is still tuned to the previous air intake system, and your vehicle won't be fully taking advantage of a newer, more powerful system.

What happens if you run a cold air intake without a tune? ›

No-Tune-Required Cold Air Intakes

You'll see increased performance, gas mileage, and intake noise, without the risk of a voided warranty. But, the increase in these numbers won't be as drastic as an intake/tune combo.

How much horsepower does a cold air intake add without a tune? ›

With non-tune required intakes, it is incredibly unlikely if not impossible for them to actually cause damage to your Mustang unless installed improperly. When going with a non-tune required intake you can typically expect to gain anywhere from 10-22 horsepower at max, depending upon which one you go with.

Does RS3 have turbo lag? ›

It's often on edge — its shifts abrupt, its throttle touchy. There is also lots of turbo lag. Only at speed does RS3 feel truly content as the high-strung PERFORMANCE mode keeping the shift points high in the rev range.

Is RS3 a supercar? ›

Perhaps the most important model, at least where volume of sales is concerned, is the RS3. The world's first proper hyper hatch was the original 2010 RS3. A four-wheel drive, 5-cylinder turbo monster with 340bhp and a supercar beating 0-62 mph time of 4.5 seconds.

How much HP does a volant intake add? ›

Volant claims 16hp. Now, you will run lean without a tune however, you get even more horsepower with a tune. True, I dynoed 10hp/15.5ftlbs at the wheels with just an Volant intake change.

How much horsepower does a Edelbrock intake add? ›

Over 3,800 rpm, the Edelbrock intakes and carb really came into their own and began to pile up the numbers. In the 4,100-6,200rpm range, the Performer gained 11.5 lb-ft and 11.7 hp on average, while the RPM doubled this to 22.4 lb-ft and 22.6 hp.

How much HP does a intake spacer add? ›

With a throttle body spacer, it is possible to increase the torque by 25 ft lbs and add up to 18 more horsepower. Not all throttle body kits can be used for all engines. Ensure that you get a kit that will work for the make and model of your engine.

How much HP does a intake manifold add? ›

A two plane manifold matched with a performance carb can add up to FIFTY HP. Usually half that on a stocker. The RPM range your engine runs in is the deciding factor. If it spends most is it's time under3,500 RPMs go dual plane.

References

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