Description F5X MINI COOPER S JCW Performance Increase Cooper S: 8-15hp, 15-25ft-lbPerformance Increase Cooper JCW: 15-27hp, 20-26ft-lb*V-Box Acceleration Cooper S : 60-130mph Reduced By 0.6 Seconds The F56 MINI Eventuri intake system is another example of our “Complete System” principal. It is a sealed system which ensures that the turbo...
Performance Increase Cooper S: 8-15hp, 15-25ft-lb Performance Increase Cooper JCW: 15-27hp, 20-26ft-lb* V-Box Acceleration Cooper S : 60-130mph Reduced By 0.6 Seconds
The F56 MINI Eventuri intake system is another example of our “Complete System” principal. It is a sealed system which ensures that the turbo does not draw hot air from the engine bay but enhanced with a functional bonnet scoop which forces ambient air into the intake duct. This duct has a larger internal volume than the stock version and also draws air from the stock location above the radiator. The combination of a sealed system with an air scoop results in lower intake temperatures than the stock airbox and avoids heat soak which is a common issue especially on higher powered MINIs. To ensure the smoothest flow possible we use our Patented filter housing coupled with a CNC machined MAF tube to ensure the smoothest possible flow to the turbo.
The Eventuri Difference
The F56 MINI Eventuri system uses our Patented Carbon fibre Housing which provides an aerodynamically efficient airflow path from the filter to the turbo. Not just another cone filter with a heat shield but a unique design which invokes the Venturi affect and maintains laminar flow conditions to reduce the drag on the turbo. You can read more about the housing design and how it works HERE.
* The JCW tested had a stage 2 map and downpipe. Performance gains measured with these modifications fitted for both stock airbox and Eventuri.
Performance Gains
Performance Gain : Stage 1 Cooper S Dyno: 8-15hp, 15-25ft-lb Performance Gain : Stage 2 Cooper JCW Dyno: 15-27hp, 20-26ft-lb
Dyno tests were carried out on both a Cooper S and a JCW. The Cooper S had a stage 1 remap for both the stock airbox and the Eventuri. The JCW had a stage 2 remap and downpipe for both the stock airbox and Eventuri. The Cooper S showed a peak gain of approximately 8hp and 11ft-lb of torque but higher mid-range gains of 15hp and 25ft-lb of torque with a good gain through the RPM range. Similarly the stage 2 JCW saw peak gains of 15hp but much higher mid-range gains of 27hp and 26ft-lb of torque with a very good increase in performance throughout the RPM range. These performance gains were measured after only changing the stock airbox for the Eventuri intake - all other modifications were present for both the stock airbox and the Eventuri intake.
The gains measured on the dyno translates on the road to increased part throttle and full throttle response with the car pulling much more eagerly to the redline. The testing was done on the same day back-to-back and temperatures were monitored to ensure consistency. The car was tested firstly with the stock intake - hood closed. We then left the car on the dyno and installed the Eventuri. The car was then run again - hood closed. Several runs were carried out with both configurations to get a consistent result.
VBox Acceleration Tests Finally we took the Stage 1 MINI Cooper S for some road testing using a Vbox unit to record the acceleration from 60-130mph (also 100-200Km/h). For the Vbox testing our test car had a stage 1 tune for all test runs. Testing was carried out on the same stretch of road - again on the same day to keep variables minimum. Results show that with just the intake added, the acceleration times from 60-130mph and also 100-200Km/h reduced by approximately 0.6 seconds which is a significant change at such speeds.
Acceleration results summary:
60-130mph with Stock intake = 14.01 seconds
60-130mph with Eventuri intake = 13.41 seconds
100-200Km/h with Stock intake = 11.69 seconds
100-200Km/h with Eventuri intake = 11.27 seconds
What's Included
The Eventuri F5X Mini Cooper intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards. Here are the details for each component and the design ethos behind them:
Each intake system consists of:
Carbon Fibre Venturi Filter Housing
Bespoke High Flow Non-Woven Mesh, Dry Cone Filter
Carbon Fibre inlet Duct
Carbon Fibre Inlet Scoop
CNC Machined and insulated MAF Tube
Laser Cut Stainless Steel Bracket Work
High Quality Silicon Coupler
Carbon intake housing assembly
The filter housing assembly comprises of our bespoke generation 2 filter, aluminium cowl, CNC machined MAF tube and the carbon pod itself. The carbon pod shrouds the reverse mounted filter and smoothly shapes the airflow down to the intake tube. 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. Our bespoke filters aid the airflow moving through the housings and allow for an even velocity profile as the airflow exits the housings. Further details can be read in the Technology and Filters pages.
The MAF tube is CNC machined with tight tolerances to ensure the sensor works within the OEM parameters and therefore does not cause an engine warning code. Since the MAF tube is positioned near the exhaust manifold it is subject to high temperatures and can become heat soaked. To combat this we have insulated the tube with a neoprene rubber wrap which effectively protects the inside of the tube from high temperatures.
Carbon intake scoop
The OEM intake system draws in air from behind the front grill, above the radiator. The openings for the intake of ambient air are relatively small and therefore can lead to heat soak of the intake especially on a tuned Mini. The OEM bonnet scoop does not provide air directly to the intake and since the bonnet already has 2 cut-outs under the scoop, we decided to utilise this feature and redevelop the scoop. Our scoop is a direct replacement of the OEM part and clicks into place using the same fastening method. It features 2 inlet ramps which guide external air through the existing cut-outs on the bonnet and into the inlet duct (see below). As the car speeds up, more air is forced into the duct keeping inlet temperatures to a minimum and avoiding the heat soak issue. The scoop has a redesigned profile with a longer top surface to cover the openings which also provides a more aggressive look. Crafted from 100% prepreg carbon fibre, the scoop provides an incredible aesthetic to the vehicle. To further enhance the aesthetic feature - we used a V-shaped split weave with the carbon to give a symmetrical profile which works well as the scoop sits in the middle of the bonnet.
By making use of the existing openings in the bonnet - the ramps on the carbon scoop extend through and guide the airflow into the duct. Here is the underside of the bonnet with the scoop installed.
Carbon inlet duct
The OEM duct only draws air from behind the front grill and is very shallow over the slam panel. We have redesigned the duct to allow air in from the grill and also from the scoop. Furthermore, our duct has a much larger internal volume which allows the intake system to breath with less restriction. In order to protect against engine bay heat - the duct has a flexible rubber edging around the openings to the underside of the bonnet which seals to the bonnet once closed. It also has an expandable rubber edging around the opening to the filter housing which ensures a good seal to the filter as well as allowing movement with the engine.
Water Drainage
Since we have a direct airflow path to the filter, it is important that we also allow for water to be drained before reaching the filter. In order to protect against excess water ingress, we have designed several features into the intake components as follows.
1) The top of the scoop covers the openings which stops rainfall entering the duct when the car is at a standstill.
2) The scoop has 2 flow directing ramps which also act as a water barrier by forcing the water to fall down onto the base of the duct rather than moving straight to the filter area.
3) The duct has 2 openings to allow water to drain out - above the radiator and also a drain hole before the filter housing connection.
4) The face of the duct as it meets the filter housing has a wall on which the rubber edging is secured. This wall stops any build up of water from directly entering the filter and water is drained through the extra drain hole.
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
Yes we do, to almost anywhere in the world though remember the postage is often high when shipping anything bulky. Most bulky items we export will go by UPS so you can track the package online and could reach America within 48 hours providing its in stock !
However there are a few countries we do not ship to, some of these include: Israel, Thailand, Malaysia, Indonesia, Russia, Nigeria, Macedonia, Syria, Ukraine, Lebanon.
Why is postage on bulky items to some countries expensive compared to some other companies ?
LFor both yours and our safety we use well known couriers such as DPD Local and UPS for shipping, then we know exactly where it is in the world at any time and we know its going to arrive safely. Shipping small items can be cheap, but items such as bodykits are expensive to ship - we have a very small margin on the postage fees merely to cover packaging. We can now ship using standard post on some items, however using all methods you may incur import charges when you receive the goods for which we cant be responsible for.
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How do I place an order if I live within the UK ?
You can either order here in our online shop or you can phone us or email us, using the following number/address are below.
Phone: 07985319479
Email: darkroadperformance@outlook.com
How do I place an order if I live outside the UK ?
Returns Procedure:
- Before returning any goods please read all our terms and conditions.
- Dark Road Performance must be informed by e-mail or telephone on 0044 (0) 7985319479 of any items that you wish to return for credit or exchange within 7 working days commencing the day of delivery. A member of staff will provide you with a Returns Notice Number.
- Please also ensure that you include a copy of your invoice when shipping any items back to us as well as your Returns Notice Number.
- If an item is sent back to us without a Returns Notice Number; a refund will not be given.
- No parts that have been used, fitted or installed will be accepted for Credit or Refund.
- Any parts returned must be in resalable condition.
- We will not under any circumstances pay any VAT/Import Duties on Returns, If we are requested to do so your return will be rejected/abandoned.
For orders that have been supplied correctly & assuming goods are in re-saleable condition:
-Within 14 days from the day of delivery - Goods can be returned for ANY reason for a full refund of goods and initial delivery charge.
-We do not cover returns postage back to us
-After 14 days from the day of delivery - Goods can be returned but with a 20% handling charge. The initial delivery charge & return delivery charges will NOT be refunded.
-After 28 days from the day of delivery – Goods are not accepted back for refund.
For orders that have been supplied incorrectly & assuming goods are in re-saleable condition:
-Within 28 days from the day of delivery – Goods can be accepted back for full refund, refund for initial shipping and refund for return shipping.
-If goods are not in re-saleable condition e.g fitted/test fitted, original packaging not present, covered in grease/lube etc, supplied correctly or incorrectly we will not accept for a refund.
At our discretion, we may drop ship your order direct from a UK supplier. If we arrange to drop ship an item it will be arranged internally, you only pay the price agreed in advance.
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