After long CAD development based on 3D scan of OEM subframe, tested with CAD FEA (Finite element method) and road-going tests you can now buy a brand new, rust-free, subframe for front of your Audi B5 A4 S4 RS4.
Using the same T45 tubing as in WRC cars, our subframes provide increased stiffness and mass reduction. Additionally, the design enables better access to the car’s underbody. All factory parts bolt up to this unit, no modifications are necessary.
Some of the cars using the subframe are posted below.
Features:
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8.5 kg, it is 7.5 kg (16lbs) saving over OEM subframe
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T45 (BS4T45 to BS4T100) tubing imported from UK and S355 metal sheets
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All components TIG welded
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Delivered painted (powder coated) black
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Solid mounts to the car body for increased stiffness and additional mass reduction
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Can be used with OEM wishbones
- Mounts to the OEM car body and no other modifications are needed to fit the subframe
What’s Included:
- Front subframe painted black
- Printed install instructions
Fitment Details:
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Audi A4 B5 Quattro
- Audi S4 B5
- Audi RS4 B5
- Audi A6 C5 2.7T Manual (will not work with V8 4.2L cars)
T45 is a very unique seamless carbon-based steel tube that has been used in many applications in different industries. It is stronger than Co-Mo 4130 tubing that is also used in motorsport. It is widely used in the aerospace sector in equipment such as pilot’s seats and crew’s seats due to the material’s ability to withstand high G forces without snapping or splitting. This material is a Carbon Manganese based and conforms to the full Aerospace Specification laid down by British Standards.
Properties
Tensile: 700 – 900MPa,
0.2% Yield 620MPa minimum
Hardness Test: 201min – 262 max HB or 210min – 275max HV.
Replaces:
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8D0399313BT
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4B0399313DE
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4B0399313BL
- 8D0399313BH
Notice: Sold only for off-road, track, and racing applications. We strongly advise mounting the subframe in a qualified and experienced workshop that would know what they are doing.
Fast Shipping and Professional Packaging
Due to our long-term partnership with UPS, FedEx, DHL and many other world-class carriers, we are able to offer a variety of shipping options. Our warehouse staff is highly skilled and will wrap your goods according to our precise and exact specifications. Before shipping the goods are thoroughly inspected and secured. We deliver to hundreds of thousands of customers every day in different countries. Our dedication to becoming the biggest online retailer around the globe is evident by this. The warehouses and centers of distribution are situated in Europe and the USA.
Please note that orders with multiple items are processed according to the specific item.
Before shipping, we will check the item thoroughly before sending the items. Most orders are shipped within 48-hours. Delivery time ranges between 3-7 days.
Returns
The stock is constantly changing and cannot be fully controlled by us due to the involvement of several entities, including the factory as well as our warehouse. Therefore, the actual inventory could change at any time. Please be aware it's possible your order could become unfulfilled when you have placed the order.
Our policy is valid for 30 days. If 30 days have gone without a trace since the purchase and we are unable to offer you a refund or exchange.
You are able to return an item if it is unused and is in the same state as the day you received it. It should also be in the original packaging.
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