MO

Audi RS4 B7 - Cat Replacement Pipes

SKU: SSXAU285

£783.41 Inc. VAT £652.84 Exc. VAT

The part is used to bypass the catalyst from the exhaust to create a ‘Decat’ system. Eliminating the catalyst will greatly enhance the gas-flow and the performance, adding significant Hp to your vehicle by removing the density of the catalyst in which exhaust gases are pushed through.

- For Track Use Only!
- Must be fitted with the Milltek Sport cat-back system
- Requires a Stage 2 ECU remap

Description

The part is used to bypass the catalyst from the exhaust to create a ‘Decat’ system. Eliminating the catalyst will greatly enhance the gas-flow and the performance, adding significant Hp to your vehicle by removing the density of the catalyst in which exhaust gases are pushed through. - This product is intended for motorsport use only and requires Stage 2 ECU remap.

All our performance exhaust systems are designed with you in mind, and we cater to an ever-expanding range of vehicles. We believe in continuous evolution, and our research & development team work throughout the year to deliver the most in demand solutions to all your performance exhaust requirements. All of our products are made in the UK and distributed to more than 90 countries worldwide, making Milltek Sport one of the most accessible performance aftermarket brands on the market.

Key Facts

Pipe Diameter 63.50
  0 hours to fit (including removing OE system)
Race Product Yes

System Fitment List

    • Audi > RS4 > B7 4.2 V8 Saloon, Avant and Cabriolet - V1 & ECE Systems > 2006 to 2008

Shipping Information

This system ships in 1 box.

Box 1: 100 x 40 x 30 at 9kg

Best Sellers

Milltek ECE Document Request

Milltek ECE Document Request

MSECE

Total (exc.inc. VAT)
£25.00 £30.00

LIMITED EDITION
Milltek Tee (FOS 2026 Limited Run) - Medium

Milltek Tee (FOS 2026 Limited Run)

MSTEE09MP

Total (exc.inc. VAT)
£25.00 £20.83 £30.00 £25.00

Lotus Emira - Active Valve Control V2

Lotus Emira - Active Valve Control V2

SSXLO8

Total (exc.inc. VAT)
£338.00 £405.60

Valve Spring

Valve Spring

F3160

Total (exc.inc. VAT)
£4.25 £5.10

Active Valve Control (BMW)

Active Valve Control (BMW)

SSXBM1234

Total (exc.inc. VAT)
£290.95 £349.14

Milltek Sport Stainless Band Clamp 63mm

Milltek Sport Stainless Band Clamp 63mm

MSCL63

Total (exc.inc. VAT)
£7.99 £9.59

Milltek Sport Stainless Band Clamp 73mm

Milltek Sport Stainless Band Clamp 73mm

MSCL73

Total (exc.inc. VAT)
£8.77 £10.52