Milltek Sport Audi RS4 B7 4.2 V8 Catalyst Replacement Pipes (Decat/Cat-Delete Downpipes) 2006–2008 – SSXAU285

Milltek Sport Audi RS4 B7 4.2 V8 Catalyst Replacement Pipes (Decat/Cat-Delete Downpipes) 2006–2008 – SSXAU285

Regular price
£651.88
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£651.88
Regular price
£724.31
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Milltek Audi B7 RS4 Catalyst Replacement Pipes - SSXAU285

Unlock the full character of your Audi RS4 B7 4.2 V8 with Milltek Sport catalyst replacement pipes. If you are searching for Audi RS4 B7 decat pipes, cat delete pipes, catalyst bypass, downpipes or performance exhaust upgrades, these Milltek Audi B7 RS4 Catalyst Replacement Pipes deliver freer-flowing exhaust, faster spool, sharper throttle response and that iconic V8 soundtrack. Designed, engineered and produced in the United Kingdom by Milltek, a leader in performance exhausts for over 32 years, this set is the go-to upgrade for RS4 owners who want more performance and sound without compromise.

We have installed these on customer cars and the feedback is consistently outstanding. Stronger mid-range pull, crisper response and a deeper, harder-edged RS4 tone when paired with a Milltek cat-back and the required Stage 2 ECU remap.

Key features and benefits

  • Direct catalyst replacement for the Audi RS4 B7 4.2 V8 - Saloon, Avant and Cabriolet 2006 to 2008
  • Engineered for maximum exhaust gas flow and reduced back pressure
  • Transforms sound - a richer, more aggressive V8 note under load
  • Must be fitted with the Milltek Sport cat-back system for correct fitment and performance
  • Requires a Stage 2 ECU remap for optimal running
  • Pipe diameter: 2.50 inches (63.50 mm)
  • Designed and developed in the UK by Milltek Sport
  • Part number: SSXAU285

What is included

  • 1 x LH downpipe and catalyst replacement pipe
  • 1 x RH downpipe and catalyst replacement pipe

Compatibility

Fits the Audi RS4 B7 4.2 V8 models from 2006 to 2008, including Saloon, Avant and Cabriolet.

Fitting and tuning

These Milltek catalyst replacement pipes must be installed with the Milltek Sport cat-back system and require a Stage 2 ECU remap. Professional installation is strongly recommended.

Want it fitted by specialists? Nforcd offers expert installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.

Compatibility check before dispatch

We verify fitment before shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will confirm compatibility for your Audi RS4 B7.

Why choose Milltek for your RS4 B7

Milltek’s three decades of UK engineering and extensive motorsport involvement ensure precision fitment, outstanding durability and proven performance. These RS4 B7 decat pipes are a proven upgrade for drivers seeking power, response and a more engaging V8 exhaust note.

Search-friendly terms customers use

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