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9T Performance

Verkline Tubular Subframe - Audi A4, S4, RS4 (B5)

Verkline Tubular Subframe - Audi A4, S4, RS4 (B5)

Regular price $1,569.00 USD
Regular price Sale price $1,569.00 USD
Sale Sold out

Verkline Tubular Subframe - Audi A4, S4, RS4 (B5)

WAS-510 Fitting Instructions

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.

– 8,5 kg, it is 7.5 kg (16lbs) saving over OEM subframe
– T45 (BS4T45 to BS4T100) tubing imported from UK and S355 metal sheets
– all components TIG welded
– delivered painted (powder coated) black or on special order (+50 euro) any RAL color
– solid mounts to the car body for increased stiffness and additional mass reduction
– can be used with OEM wishbones
– mounts to the OEM car body and no other modifications are needed to fit the subframe

What is included:
– front subframe painted black
– printed install instructions

Used in:
– Audi A4 B5
– 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.

Tensile: 700 – 900MPa,
0.2% Yield 620MPa minimum
Hardness Test: 201min – 262 max HB or 210min – 275max HV.

– 8D0399313BT
– 4B0399313DE
– 4B0399313BL
– 8D0399313BH

Notice: Sold for off-road, track, and racing applications only. We strongly advise mounting the subframe in a qualified and experienced workshop.

23621647_726991097499035_4928920405741957293_n 23472792_726991117499033_975556703263913886_n 23632638_726992380832240_3765032689553372960_o 1200HP+ RS4 Limo from Hanover Hardcore Team 26733549_754489748082503_3884817368325770612_n 26910769_754489761415835_7205087774270221069_o 1300HP+ Audi S4 from TTD 26981570_1396508620477220_291851201_o 26972630_1396508600477222_661866726_o 1100HP+ Audi S4
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