Performance - Toyota Yaris GR (2020-Present)

Product Description Gains of 13bhp Peak torque gains of 8nm High quality carbon fibre Pleated performance air filter No engine management check lights (EML)  Increased air flow   Lifetime warranty* The Toyota Yaris GR has proven itself to be a fantastically capable vehicle since its release, and the development team at Forge Motorsport have been able to work their magic once again to find further improvements. After continued testing and discussions with owners of Yaris GR’s, the stock airbox has proven itself to function well, especially with the stock map. However, the weakness in the airbox is most definitely the quantity and directional flow of the air. As such, we explored several different avenues, before settling on a replacement upper airbox that mounts to the stock lower. When used in collaboration with the Forge Motorsport Inlet Duct (FMINLD1) performance car part, it ensures a consistent cold feed of air into the lower airbox that can then be delivered into a refined upper airbox. The increased diameter from 80mm of the stock inlet pipe to 89mm produces a volumetric increase of around 20% in just the connecting pipe from turbo inlet adapter to the airbox alone. After running data and tests it was decided that we would not use a panel filter, but instead a cone filter as shown in the CAD below. 3D scan data was utilised to ensure that the cone filter would fit in the optimum position inside the lower airbox, not just for ease of fitment but also to allow for optimum flow into the inlet tract. Due to the sensitivity of the MAF and stock map of the Yaris, a lot of testing was required to ensure that performance was gained without inflicting the driveability of the car - especially as we were changing from a panel filter to a cone filter and an increased diameter. To test this in real world conditions, we created a modular design that was 3D printed and allowed for different variations of MAF position, diameter, and airflow to be tested on road and the dyno. After finding the optimum design, we then reprinted the full prototype and left this on the vehicle. This allowed us to continue our testing to prove out the performance repeatability in real world driving conditions. We also noted at this stage that there is a small gain in induction noise. This product works extremely well when collaborated with existing Forge Motorsport performance products for the Toyota Yaris GR. With the release of our turbo inlet adapter (FMTIA8) we were able to increase the volumetric capacity over the stock inlet by 53%. Once coupled to this intake we have been able to ensure a smooth airflow from filter to turbo with minimal restrictions by continuing the 89mm diameter for a large proportion of the inlet tract. It is designed in a similar way to a conventional velocity stack by routing the air more directly into your turbo charger and allows more air to be compressed due to its larger capacity. This can have a positive effect on acceleration after long deceleration or in between gear changes due to more air being kept within the intake system. FMINDK43 is part of our acclaimed Hi Flow range and will ensure that your vehicle is getting critical cold air.  Not only are Forge Motorsport performance parts a better option for an improved drive, but carbon fibre car parts really help give an engine bay some character. The high-quality carbon fibre is prepreg 2x2 twill formed in an autoclave from billet tooling and finished with an anti UV gloss gel coat. Dyno Results We found that FMINDK43 with the stock turbo inlet produced peak gains on average of 13bhp at the wheels and peak torque gains of 8nm. The dyno graph below shows a comparison between the stock airbox, the 80mm prototype and 89mm prototype. We ran a total of 8 different prototype variations of MAF height, MAF distance from entry and inlet diameter to ensure that the best solution was used. You can see how sticking to the stock size diameter and MAF position with the cone filter produced a slight improvement to the wheel horsepower, however when increased to 89mm we were able to produce some fantastic gains from such an easy to install bolt on modification. Another important observation to note is where the power is delivered. As you can clearly see on the dyno graph that the engine produces a much higher power earlier into the rev range. From 2000rpm to 3600rpm the lower flap in the airbox is opened via a solenoid, and the dyno graph shows that at the same rpm there is an increase of around 15- 20nm of torque with FMINDK43 installed compared to stock. This figure is noticeable when driving, and you can feel that the vehicle picks up much better than in stock form. It’s worth remembering that this is with a stock ECU and no tune, so we would expect to see mapped cars returning even greater yields of power as they will be able to utilise the increase of airflow. The performance part kit comes complete with everything you need for installation, which can be carried out in around half an hour, including a set of full colour instructions. Our Toyota Yaris GR performance parts will help improve both the look and drive of your car. *Please note - the filter is excluded from the Forge lifetime warranty   

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Product Description After discussions with many GR Yaris owners about airbox modifications, Forge Motorsport are proud to release the Toyota Yaris GR Inlet Duct. The Forge inlet duct allows you to add an aesthetically pleasing carbon fibre part to your Yaris GR’s engine bay and help keep your inlet temperatures down during spirited driving and whilst on the track or rally stage.    By utilising 3D scans and SolidWorks CAD, our development team have been able to optimise the size of the inlet duct, creating an increase in uninterrupted cold air to be scooped into the stock airbox. 3D printed test parts were used alongside CAD simulation to ensure the optimum size and geometry. This inlet duct performance car part is much larger than stock with a close fit to the front bumper and airbox to ensure that the heat from the engine causes minimal effect. During testing on track days, the original duct caused inlet air temperatures to be heavily influenced by heat soak and fluctuated dramatically. Meanwhile the Forge inlet duct kept the inlet air temperatures not only reduced but at a more consistent temperature. A reduced consistent temperature is of great importance because any high temperature peaks will cause the ECU to retard the ignition and reduce the power you have available. The Forge inlet duct design incorporates a free-flowing path to both the upper and lower opening of the airbox, whereas the stock design has no flow management to the lower opening and the upper is small and not fully sealed. It is worth understanding that the lower opening is of far greater importance to the performance of your Yaris GR. There is a vacuum operated flap which is activated when under full throttle conditions, therefore the Forge Motorsport Inlet Duct ensures that your Yaris is getting colder directed air when the engine needs it the most. Data was collated and logged live by a passenger on a track day running in conjunction with an aftermarket intercooler on a 5 lap open pit session back to back against the stock inlet scoop (another 5 lap session). Inlet air temps had been reduced from 42°C to between 35 and 36°C. We even saw temperatures of up to 45°C on the stock duct. Fluctuation between temperatures on the stock inlet duct were greatly improved when air was fed to the secondary inlet scoop via the composite Forge Motorsport inlet feed. Please browse our Toyota Yaris GR performance parts today for other products in addition to this GR Yaris induction kit which you can fit to improve your track/rally experience. A Forge induction kit will unleash the power of your vehicle and help your engine breath. A recirculating or dump valve will be solution to the many failures that have occurred on the OEM part. With the OEM design including open sections, baffles, and noise restrictors to disrupt the airflow, the inlet duct is part of our acclaimed Hi Flow range and will ensure that your Yaris is getting critical cold air. Not only is the Forge part a better option for performance, but the carbon fibre really helps to give the engine bay some character. The high-quality carbon fibre is prepreg 2x2 twill formed in an autoclave from billet tooling and finished with an anti UV gloss gel coat. The Forge Motorsport lifetime warranty on all hardware products shows the trust we have in the quality of our products while they are being enjoyed on your pride and joy.      

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State of art polymer laminated glass cloth Superb heat barrier qualities Withstands radiant temperatures up to 450°C/850°F Ultra thin for minimal clearance As used in WRC and F1 Each roll is 50mm wide x 5 metres long (2" x 16ft) Adhesive backing for ease of fitting After extensive market research Forge Motorsport are proud to release a state of the art metalized polymer laminated glass cloth with adhesive backing that is both extremely light and capable of handling continuous radiant temperatures of up to 450°C. It reflects up to 80% of all radiant heat, whilst offering weight savings against other heat reflecting materials. Forge Motorsport's gold reflective heat barrier requires minimal clearance and is an extremely pliable material with a pressure sensitive adhesive backing that is easy to apply and remove. As used in WRC and F1, make no mistake this gold reflective heat barrier tape is of excellent quality and superb value for money. When used correctly this tape can be used to protect intake components thus lowering IATs resulting in a more efficient and reliable engine cycle. Typical uses are: Wrapping wiring, inside engine covers, bulkheads and firewalls, boost pipes, fuel lines, under seats, intake pipes, airboxes, engine compartments, fuel cells…  

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Product Description This is a replacement carbon canister including Pipercross filter that fits the FMINDGOLR twintake and Fiat FMINDF500 These have been created exclusively for Forge by filtration gurus Pipercross, and feature the latest multilayer-foam technology that is proving to be so successful in this season’s British Touring Car Championship  (BTCC). These are priced individually. Please order 2 when replacing carbon canister/filters on the FMINDGOLR system. *Please note - the Pipercross filter is excluded from the Forge lifetime warranty* The filter should be installed with a maximum clamp torque pressure of 3nm.Please watch our video on how to fit an air filter without damaging it.  

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Product Description 70mm I/D Rubber Neck Open Cone Air Filter - High flow construction and increased surface area Replaces the filter in the following kits - FMINDK5- Ford Fiesta 1.0 Ecoboost induction kit FMINDST180- Ford Fiesta ST180 induction kit FMINDASTG - Astra G induction kit *Please note - this filter is excluded from the Forge lifetime warranty* Please watch our video on how to fit an air filter without damaging it.

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