Milltek 76mm Large-Bore Downpipes with 100 Cell Hi-Flow Sports Cats – Audi C7 RS6 RS7 S6 S7 4.0 TFSI – Stage 2 – For OE Cat-Back – SSXAU635

Milltek 76mm Large-Bore Downpipes with 100 Cell Hi-Flow Sports Cats – Audi C7 RS6 RS7 S6 S7 4.0 TFSI – Stage 2 – For OE Cat-Back – SSXAU635

£3,437.98
£3,437.98
£3,819.98
Sold out
Tax included. Shipping calculated at checkout.

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 C7 Large Bore Downpipes with Hi-Flow Sports Catalysts for OE Cat-Back - Part Number SSXAU635

Unlock the full potential of your Audi 4.0 TFSI V8 with these Milltek large-bore 76 mm downpipes and 100 cell hi-flow sports cats. Designed for the Audi RS6 C7, RS7, S6 C7 and S7, this premium UK-made upgrade transforms flow, sound and response when paired with a suitable stage 2 ECU remap. Finished in ultra-durable semi-gloss black Cerakote, these downpipes are built to perform and built to last. For OE cat-back systems only.

Why choose these Milltek downpipes for your Audi RS6, RS7, S6 or S7 C7 4.0 TFSI

  • Large-bore 76 mm tubing for significantly improved exhaust flow and reduced back pressure
  • 100 CPSI hi-flow sports catalysts for serious performance builds and stage 2 tuning
  • Direct fit to the OE cat-back system for seamless integration and factory-style fitment
  • Ultra-durable semi-gloss black Cerakote finish on the downpipes
  • Engineered and manufactured in the UK by Milltek with over 30 years of exhaust expertise

We have fitted this setup at Nforcd and customer feedback has been excellent, praising the improved throttle response, quicker turbo spool and deepened V8 tone, all while retaining OE cat-back compatibility. If you are searching for Audi RS6 downpipes, Audi RS7 downpipes, Audi S6 downpipes or Audi S7 downpipes with 100 cell sports cats, this Milltek SSXAU635 kit is the proven choice.

Key features and specifications

  • Pipe diameter: 3.00 inch, 76.20 mm
  • Larger-bore 76 mm downpipes with 100 cell hi-flow sports catalysts
  • Semi-gloss black Cerakote coating on downpipes
  • Requires a stage 2 ECU remap
  • Must be fitted with the OE cat-back system

What is included

  • 1 x LH 76 mm Primary Cat Bypass Downpipe, Cerakote Semi-Gloss Black
  • 1 x RH 76 mm Primary Cat Bypass Downpipe, Cerakote Semi-Gloss Black
  • 1 x LH Secondary 100 CPSI Hi-Flow Sports Catalyst, under car
  • 1 x RH Secondary 100 CPSI Hi-Flow Sports Catalyst, under car

Vehicle compatibility

  • Audi RS6 C7 4.0 TFSI biturbo quattro including Performance Edition, 2013 onwards
  • Audi RS7 Sportback 4.0 V8 TFSI biturbo including Performance Edition, 2013 onwards
  • Audi S6 C7 4.0 TFSI quattro, 2012 onwards
  • Audi S7 Sportback 4.0 TFSI quattro S tronic, 2012 onwards

Fitting and support

Professional installation is recommended. Nforcd offers supply and fitting in Warwickshire. Request a fitting quote by emailing Sales@nforcd.com.

Compatibility check

We run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to confirm fitment.

Part number

SSXAU635

Manufacturer

Milltek

Search terms: Milltek Audi RS6 C7 downpipes, Milltek RS7 downpipes, Milltek S6 downpipes, Milltek S7 downpipes, Audi 4.0 TFSI downpipes, 100 cell sports cats, hi flow sports catalysts, large bore 76 mm downpipes, Cerakote downpipes, stage 2 remap downpipes, for OE cat-back, SSXAU635, performance exhaust upgrade UK, Nforcd Warwickshire fitting.