Turbo Inlet Adaptor for the VW Golf Mk8 GTI - Right and Left Hand Drive
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Turbo Inlet Adaptor for the VW Golf Mk8 GTI - Right and Left Hand Drive

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Turbo Inlet Adaptor for the VW Golf Mk8 GTI - Right and Left Hand Drive

Suitable for both left and right hand drive - This replaces OEM part number 5WA.129.635

With the success of turbo inlet adaptors for a number of platforms and engine configurations we took the opportunity to further our product range for the VW MK8 GTI. We looked to see if we could improve on the air flow to the turbo charger. On investigation we could see that the OEM turbo adaptor was restrictive and was an area in need for improvement. Therefore, our highly skilled development team got to work designing a solution to maximize the capacity by utilizing our CAD system and physical prototypes.


The OEM plastic turbo inlet includes a ribbed hose that also disturbs the air flow within the inlet tract, this OEM part has a detrimental effect to the engines performance especially when tuned. For the best possible gains, we have included a smooth silicone inlet hose that is included in the kit and meets the forge turbo elbow seamlessly, this product not only enhances the look of your vehicles engine bay the TIA6 inlet elbow and hose increase the volume and air flow significantly, this ensures the transition is as smooth as possible from the inlet tract to the turbo.

Suitable for both left and right hand drive vehicles the turbo elbow is made from cast aluminium and machined to the perfect tolerance to enable a superb fit, this is a product that can be installed in approximately 30 minutes with only a few tools and can easily be accomplished by even the most novice enthusiast.

During independent testing on a stock vehicle we found the throttle response to be increased with a gain of 12NM torque between 2000RPM and 2400RPM  while holding noticeable smoother torque figure to just over 3300RPM along with a slight increase of BHP at 5300RPM, These figures can be expected to increase the more the vehicle is tuned and will typically produce a gain of around 7 BHP on stage 1 tuned vehicles this is because at the entry point to the inlet elbow the surface area in increased by 30%.

Combined with our product FMMD6 the turbo charger works more freely and should certainly be considered as one of the first two modifications to carry out on the new 2.0 petrol turbo (TSI) (EA888 GEN4 engine) with the engine code DNP and replaces the OEM part number 5WA.129.635

  • The Forge silicone hose in this kit has been designed to include an expensive inner liner of modified silicone known as Fluorosilicone.
  • This means the hose is suitable to be used with either modern long-life coolants, Organic Acid Technology coolants (O.A.T.) or air containing oil mist.
  • The construction of the hose has been engineered to exceed that of the OEM fitments, and will enhance any engine bay both technically and aesthetically
  • Increased capacity 
  • No engine check lights (EML)
  • Increased air flow
  • Lifetime warranty*

Complimentary Products

Also available for the Mk8 GTI is our blow off and recirculation valves. These valves are a full replacement atmospheric blow off (i.e. noisy) or recirculation (i.e. quiet) valve that integrate seamlessly with the OEM electronics and results in no detriment in performance, and absolutely NO fault codes or check engine lights, which isn’t something that can be said of our competition! The later revision OEM valves have a longer life but ultimately the plastic brittles and in extreme circumstances, parts of the plastic can break off. Our valve uses full billet alloy construction with a piston based internal design that provides for significantly improved reliability over the OEM valves along with lightning-fast response. It has also been proven in cars running over 600bhp

One of the easiest upgrades you can make to your Mk8 GTI is the utilisation of the Forge panel filter. The filter is made using a high-quality, high-flow, synthetic nanofiber filtration media which is then pleated to maximise the effective surface area which in turn increases air flow. This was tested up against many other medias to where we found the synthetic nanofiber filtration media outperformed all others. 

Forge have also developed this turbo outlet muffler delete pipe for the 2.0 petrol turbo (TSI) (EA888 GEN4 engine).  It has been designed with 3 points of contact to eliminate any possibility of resonation. This part will improve the sound of your turbo spooling and improve throttle response due to its sleek single billet design that eliminates the restriction and turbulence caused by the OEM part.

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We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at info@jbmperformance.co.uk. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at info@jbmperformance.co.uk.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods, custom products (such as special orders or personalised items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Please note that the customer is responsible for ensuring the correct part is ordered and fits the vehicle it purchased for.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please note the Exceptions / non-returnable items section, which states there are no returns for perishable goods, custom products (such as special orders or personalised items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please remember it can take some time for your bank or credit card company to process and post the refund too. Some refunds may incur an admin/restocking fee. 


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