Company: Forge Motorsport

Intercooler for Audi RS3 8Y

Product code: FMINT33
£1389.62 Inc. VAT £1158.02 Exc. VAT (VAT will be added during the checkout process) Estimate Delivery

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More info Boost Hoses for the Audi RS3 8Y - Read More
More info Audi RS3 8Y Brake Lines - Read More

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Product Description


  • Peak gains of 17bhp
  • Gains of 14lb/ft of torque
  • 153% volume increase
  • Hand fabricated in the UK
  • Kit includes all necessary fittings and instructions included
  • Lifetime warranty

Following on from our very successful intercooler and performance products for the RS3 8V chassis, the Forge intercooler for the RS3 8Y chassis builds on our reputation for delivering cooling solutions, that offer real-world increases in power and impressive temperature drops. Whilst the 8Y chassis shares many components with the older 8V, the space available behind the bumper is a different shape, and the crash bar has also changed. This required a whole new intercooler and crash bar setup for this latest chassis.


The crash bar Audi has fitted to the RS3 8Y is made of steel, our Forge Motorsport intercooler kit utilizes a genuine Audi alloy crash bar, that we have cleverly modified in-house, in order to accept the enormous race intercooler. This in-turn when compared to the weight of the standard OEM intercooler and crash bar, is only 1kg heavier, meaning the additional weight has no detriment to performance and is far outweighed by the power gains achieved when it is installed. After our skilled fabricators have carefully crafted this piece of automotive artwork, we then finish both the crash bar and intercooler in our standard black finish powder coat for maximum longevity and that OEM+ look.

The RS3 8Y core is a huge 640x250x130 with a bar and plate design. This gives it an impressive 55% increase in surface area over the stock OEM item, and an even more awe-inspiring 153% more volume. The end tanks are made with integrated pipes to retain the stock boost hoses, though you can also replace the standard hoses with our FMKT033 boost hose set if you so wish. This can help prevent hose expansion and failure when running increased boost pressures, just like on the 8V chassis.

Before getting to work on the Dyno, we spec’d three different types of cores, one of these being bar and plate, and two being a tube and fin construction, with all three cores having different internal and external fin pitches and configurations. This is to ensure we deliver the best possible products for our customers, which is proven time and time again by one of the world leaders in the performance industry.

Why do we test different cores?

Here at Forge Motorsport, when developing an intercooler, we will test several different cores for each application. For example, a bar and plate style core, a tube and fin style core along with different fin pitches and heights, e.g., 22 ,17 or 12 fins per inch, as well as changing the internal fin pitches/shapes and density within the tube enabling to fine tune the amount of pressure drop the intercooler produces.

Pressure drop is not always a bad thing, as our testing and research has proven on various projects, this is because the pressurized air velocity is being stalled by the pressure drop within the cooler, thus allowing more time to cool the air within the cooler itself as air passes through the non-pressurized face of the core, that is open to the atmosphere. Too much pressure drop can of course have a problem on the higher performance engines as the intercooler reaches its maximum efficiency, the turbo must work a lot harder to force the air through the core. This in-turn creates higher inlet air temps (IAT’s), as the turbo is creating more heat as it is working harder. No pressure drop can also prove to be inefficient as the cooler will not lower the charge temperature again, resulting in higher inlet air temperatures.

Dyno Testing

Testing was completed independently on Litchfield’s Maha dyno, manufactured by the same people who currently supply BMW M Sport and Mercedes Benz for all their engine calibration and dyno testing. The graph below shows the rolling road test for the OEM intercooler, for both tests we let the car heat soak on the dyno until the radiator fans tripped on and off (which gives an inlet temperature of 36°C), then do a dyno pull from there. This gives a more consistent result and reflects real-world driving conditions more accurately.

On the vehicle we used for testing and development, it made 424.9BHP and 382.9lb/ft. This vehicle was completely standard apart from being fitted with a Milltek cat back performance exhaust system. The measured power output is marginally more than the figures Audi quote, with a data logged peak intake temperatures of 43°C at 6550RPM.

We then swapped out the OEM intercooler with the FMINT33 race intercooler to continue testing. The same car made 441.9BHP and 397.3lb/ft of torque with a peak recorded inlet temperature of 21.8°C at 6450RPM, this equates to a gain of 17BHP and 14lb/ft, and a drop of 22°C. Gains on mapped cars will likely be even more impressive as the stock intercooler core struggles on just stage 1 mapped cars, as previously found on the older RS3 that still uses the DAZA engine. From the independent testing and results pictured, you can see the intercooler really does deliver you unparalleled levels of performance. The Forge intercooler cools faster and delivers a far greater drop in temperature compared to OEM intercooler.

The intercooler has all the necessary hardware and comprehensive fitting instructions to install the kit in approximately 4 hours depending on competency and tools available.

Complimentary Products


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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.

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Compatible Vehicles

Click the triangles to find your car make and model. Note that the models listed here have either had the part fitted by us or a customer or they are listed as being compatible on industry parts databases. Where it has not been directly fitted by Forge there will then be a separate May Also Fit tab where the make and model will also appear and which details our no-risk approach to purchasing this product, so it is worth checking there as well.

If you need further assistance, please call us on +44 1452 380999 or email us.



Intercooler for Audi RS3 8Y


Warranty Infomation

The majority of Forge Motorsport products come with a limited lifetime 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 +44(0)1452 380999 or email

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.



UK Mainland

Next day delivery applies to orders processed before 12 noon Monday to Friday, subject to stock availability and geographical restrictions. 'Next day' refers to next working day. We cannot guarantee next day delivery for orders placed after this time. Whilst we endeavour to honour our next day service, next day delivery cannot be guaranteed due to other extenuating circumstances. Full details

Delivery is free of charge for all orders £200 (ex VAT) or over. Products are sent by standard DPD service which is usually a next day service, but can take 2 days in transit. We reserve the right to ship smaller, lower value items via Royal Mail or any other service. (Not including Scottish Highlands, Scottish Isles, Northern Ireland, Guernsey, Jersey, and Isle of Man where charges will vary). 

Europe and Worldwide

Delivery service charges will vary depending on the quantity of product ordered, the related parcel size, and destination postcode. Live shipping rates will be calculated at checkout using ShippyPro and dependent on criteria, you will be given the option of DHL, DPD, or FedEx courier services.

Shipping into the EU - Duty Charge Information

All Forge products are sold with a Delivery Duty Unpaid (DDU) status and an import tariff may apply to your order. Customers will be contacted by the Customs and Excise authority in the destination country regarding payment prior to delivery, and it is important that correct contact telephone number and email information be submitted with the order to facilitate this part of the delivery process. Some couriers are charging an admin fee for shipping into the EU. 

If we detect at checkout that you are located within the European Union (EU), you are eligible for a contribution towards your import duty and tax payments. We can add an additional 20% on the total cost of your order, we will then pay the duty and tax costs above your contribution. This offer will ensure the price you pay at checkout is the total you pay, with no additional charges. It will also ensure you have the fastest possible delivery, with no delays. For more information, please see here

Our shipping methods ensure safe and timely delivery of your new Forge products. For further information on cost and delivery times, please contact Forge using the email address if you require any more information. We reserve the right to change the delivery service and company at any time.

Forge Motorsport ships via either UPS, FedEx, DHL (primarily for outside of UK), DPD (primarily for UK), or any other courier we chose. Other shipping options may be available for an additional fee over and above the actual shipping costs. 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 can assist with most cases.

FAQ's and other info can be found here.

Expert Answers

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Hi there does the intercooler for the RS3 8Y come with the boost hoses?


No this product fits up to the original hoses, however we do sell a silicone upgrade kit which you can find here