Featured Eventuri A90 Supra Carbon Intake System

Discussion in 'B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons' started by iND-Distribution, Jan 8, 2020.

  1. iND-Distribution

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    The MK5 Supra Eventuri intake has been developed to provide the turbo with a less restrictive flow path whilst maintaining low inlet temperatures. Heat and Volume are the main considerations when designing an intake for turbocharged engines. In the Supra, the intake system is located next to the exhaust manifold which rapidly heat soaks the engine bay. High temperatures are detrimental for engine performance as the turbo would have to build boost with heated, less dense air and so the only way to ensure IAT’s are kept to a minimum is for a fully sealed intake. This however, results in a restriction with only one stock air feed to draw air in from.

    During development we noticed an additional opening into the wheel arch area and took advantage of this by adding a secondary feed to our airbox. Furthermore our sealed airbox also has a heat shield with gold reflective to minimise the radiative heat transfer from the exhaust manifold. In order to maximise volume we made the airbox as large as possible with a recess for potential strut braces. The stock convoluted intake tube is replaced with a smooth carbon tube which is also larger in internal volume with a starting internal diameter of 111mm (4.4″) smoothly tapering down to match the turbo inlet. The tube provides a smooth path from the filter to the turbo inlet. Finally we use a custom made high-flow dry filter which is ISO tested for filtration performance and has a larger filtration area than the stock filter.

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    The Eventuri MK5 Supra intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards. We use 100% pre-preg carbon fiber with no fibreglass which means we can achieve a smooth internal surface to maintain smoother airflow. Here are the details for each component and the design ethos behind them:

    Each intake system consists of:


    • Carbon Fiber Airbox with Dual Feeds
    • Bespoke High Flow Dry Cone Filter
    • Carbon Fiber Inlet Tube with 111mm opening ID
    • CNC Machined Temperature Sensor Mount
    • CNC Machined Breather adapter
    • Heat Shield with Gold Reflective Backing
    • Laser Cut Stainless Steel Brackets
    • Silicon Coupler with OEM Specification Clamps
    Supra intake
    Part Number: EVE-A90-CF-INT
    Retail Price: $1395.00

    Supra Engine Cover
    Part Number: EVE-A90-CF-ENG
    Retail Price: $695.00
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    Dual Feed Carbon Fiber Airbox

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    Crafted from Prepreg Carbon Fiber, the airbox serves 2 objectives - to seal the filter against engine bay heat and to provide a dual cold air feed. Since the airbox is positioned next to the exhaust manifold it is crucial for the filter to be fully sealed so we designed the airbox to encapsulate the filter and at the same time provide a large internal volume. To seal the intake tube we have designed a laser cut plate with a rubber sealing strip which secures to the airbox. The intake tube passes through the plate and the rubber seal ensures heated air does not enter the airbox. To further minimise heat soak, there is an additional heat shield with a gold reflective layer on the exhaust manifold side which effectively combats the radiant heat transfer.

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    Having a fully sealed airbox results in the problem of having a restriction for the cold air feed. The stock airbox draws air from a single duct which extends to the front bumper area. During development we identified another area to draw cold air from which was a gap between the wheel arch and the chassis on which the airbox sits. To utilise this feed we extended a scoop at the back of our design which protrudes into the wheel arch and can even be seen after installation behind the front wheel. This second feed allows the turbo to draw from a larger area therefore reducing the restriction. Since the scoop extends into the wheel arch area we also incorporated an internal splash guard to deflect water away from the filter. The animation below shows both feeds and also the internal splash guard.

    Our final consideration was for race applications where our optional headlamp duct is used for maximum cold air flow. We incorporated a removeable panel on the side of the airbox facing the headlamp so that when the optional duct is used, this panel can be removed for another direct feed of cold air to the filter.

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    Carbon Inlet Tube

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    The stock inlet tube has a flexible and convoluted section to provide movement with the engine. This however also adds the possibility of turbulence in the flow path as there are multiple faces which can cause eddies. We replace this with our carbon tube which is smooth and also has a larger internal volume with a huge 111mm (4.4") opening diameter. The tube smoothly tapers down to the stock turbo inlet to ensure airflow remains as laminar as possible. The tube also has CNC machined fitting for the temperature sensor and the breather adapter.

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    Bespoke Cone Filter

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    Our cone filter is made from a non-woven mesh material which is double layered and is ISO tested to ensure that filtration is in line with OEM standards. The filter is cleanable and very stable at high temperatures with the base material being Urethane. The filter incorporates and internal flow guiding cone to help aid the airflow to converge while reducing the possibility of a stagnation point in the middle of the filter space. The filter medium has a significantly larger surface volume than the stock panel filter.

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  2. tedan628

    tedan628 Well-Known Member

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    this looks dope but mad expensive
     
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  3. Meraki Autoworks

    Meraki Autoworks Well-Known Member
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    Such a beautiful product!

    Love our Eventuri intakes on our M cars.. (Got from IND!)

    -Josh
     
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  4. Ghostop

    Ghostop Member

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    Have your carbon fiber intake for the civic type r worth every penny. Will add this one as well great job.
     
  5. Supraboi7

    Supraboi7 Well-Known Member

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    I would buy this, but I'm not rich
     
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  6. a90moe

    a90moe Well-Known Member

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    That's a true cold air intake right there

    Expensive, but also adds a lot of bling to the engine bay too

    Any sound clips? Most would buy these for additional sound alone
     
  7. Axix23

    Axix23 Well-Known Member

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    some would beg to differ from when they see you riding around in a new Supra. lol
     
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  8. Axix23

    Axix23 Well-Known Member

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    Can I just buy the top cf cover for bling? Lol
     
  9. Meraki Autoworks

    Meraki Autoworks Well-Known Member
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    We have the Eventuri intake on our BMW m2 competition and it makes a nice difference in sound. You can hear the turbo a lot better.

    -Josh
     
  10. Axix23

    Axix23 Well-Known Member

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    Dyno numbers? Before and After?
     
  11. OP
    OP
    iND-Distribution

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    Will video ours to capture the induction sound tomorrow :D

    Here are the Dyno numbers from our car, but this is also with the BM3 Flash and AMS catless DP on the car:

    OEM Intake+ AMS Catless Downpipe: BM3 Flash
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    Eventuri Intake+ AMS Catless Downpipe + BM3 Flash

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  12. Axix23

    Axix23 Well-Known Member

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    just wondering for a 100 % stock car and just adding this intake. on what net hp
     
  13. OP
    OP
    iND-Distribution

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    iND
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    Eventuri will dyno a factory MK5 when they return from TAS2020. We will update this thread right when we have more runs.
     
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  14. Trojan1992

    Trojan1992 Well-Known Member

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    I have their intake on my RS3 and Mini JCW, love their products. The RS3 version added 15hp and the Mini about 5hp. Fit and finish are terrific. I bought mine from IND during one of their sales which saved a fair amount. If I decide to keep the Supra ( I have the C8 coming and have a room issue) I will get this as well.
     
  15. Extreme Power House

    Extreme Power House Well-Known Member
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    Looks great!
     

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