Description
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.

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.
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.





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Please Note: In line with our policy to constantly review, revise, and improve our product range, the appearance of the product you receive may differ from the one advertised.
Associated Products
Development
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 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.

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Compatible Vehicles
Instructions
Warranty
10 Year Warranty Information
The majority of Forge Motorsport products come with a limited 10 Year Warranty (brakes pads excluded). All warranty claims must be accompanied by the original proof of purchase to enable us to help you. Failure to supply this proof will result in your claim or enquiry being denied.
For further information, please call our customer service team on +49(0)3222/1097-308 or email info@forgemotorsport.eu.
Do not use aggressive (acidic) car cleaning products, particularly traffic film remover solutions or shampoos to clean your intercooler, radiator, or oil cooler. The use of these products can damage Forge Motorsport cooling systems and invalidate your warranty. These are often found at car washes. A light, warm, soapy solution (free of harsh acidic cleaning compounds) should be used to clean you cooler and thoroughly rinsed away. We recommend that you should inspect your product on a regular basis for bent and/or crushed fins. Any bent fins should be carefully straightened to allow ambient air to pass through the core face. At the time of installing your Forge radiator, an approved coolant must be used and added to the coolant system. Be sure you never mix coolant and always use distilled water.
This warranty does not apply to any defect in the goods arising from fair wear and tear, wilful damage, accident, negligence by you or any third party, use otherwise than as recommended by the supplier, failure to follow the supplier’s instructions, or any alteration or repair carried out without the supplier’s approval.
Shipping
European Shipping
We ship to selected EU countries as displayed during the checkout process.
Delivery service charges will vary depending on the quantity of product ordered, the related parcel size, and your destination.
Our shipping methods ensure safe and timely delivery of your new Forge products. For further information on cost and delivery times, please contact us if you require any more information via our contact page.
We reserve the right to change the delivery service and our shipping providers at any time.
Once a product has left our warehouse and is in the possession of the shipping company, any claims must be made directly with that shipper, however we may be able to assist in some cases.
FAQ's and other info can be found here.
Manufacturer & EU Contact Details
Manufacturer
Company Name: Forge Motorsport
Address: Unit 1A, Ashville Trading Estate, Gloucester, GL2 5EU, United Kingdom
E-Mail: info@forgemotorsport.co.uk
Phone: +44 1452 380999
EU Responsible Person
Company Name: Milltek Sport GmbH
Address: Gottlieb-Daimler-Str. 1-3, 53520 Meuspath
E-Mail: info@millteksport.de
Phone: +49 (0) 3222 1097308
Expert Answers
Hello, will it fit to the gen.2 2024 GR Yaris ?
Hello , yes this will fit the gen 2
Will this fit the GR Corolla ?
hello , yes it will fit however part of the corrola scuttle panal needs to be cut.
Bonjour pouvez vous me dire le résultat sur un banc de puissance avec la prise d'air Forge sur la Yaris GR merci.
Hello. The duct is not designed to give you more power. It assists in keeping air intake temps down so you are able to keep the power you have for longer and also works in conjunction with our upper airbox induction kit
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