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Milltek Resonated Catback Exhaust System Audi S8 4.0 TFSI Quattro Tiptronic 13-18



Model #SSXAU466

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Over 20 years of continuous exhaust development and technical expertise are drawn upon to develop the ultimate Milltek Sport range of performance products. Milltek Sport offer an ever expanding comprehensive selection of Performance exhausts which build on the successes of key marquees like Audi, Volkswagen, Porsche, Mini and BMW. This has placed Milltek Sport at the forefront of tuning companies and owners must have list.

Milltek Sport exhausts are produced in high quality type 304 aircraft grade stainless steel. This material is anti-magnetic and is less susceptible to discoloration. This quality of stainless steel is used on all pipework and the total construction of the silencer. Mandrel bending ensures full flow bends for better gas flow and Milltek systems are increased in bore to ensure ultimate performance without the loss of mid range torque.

Milltek Sport exhausts have a genuine performance edge - noticeable power gains, sounds that are truly awesome, styled looks that are aggressive but discrete and a feeling of true exhilaration.

Audi's latest hot executive saloon, the S8, features one of the best powerplants in the business, the 4.0 V8 TFSI complete with 520PS straight from the factory. The same engine can be found in S8's smaller S6 and S7 Sportback siblings but with smaller turbochargers and a lower power output of 450PS. Performance exhaust specialists, Milltek Sport, took delivery of their ownS7 Sportbackmodel back in 2013 to use as a long-term development platform with the singular purpose of producing the very best range of exhaust upgrades on the market for the new 4.0 TFSI engine. This strategy has paid dividends for the company which has seen unprecedented levels of demand from customers all around the World. "Understanding our customers and how they use their cars is a key component of our development process." explains Milltek 's Marketing Manager, Jon Nicholson, "The Milltek Sport brand has been synonymous with Audi tuning since the days of the Audi Quattro and we've gained an enviable reputation for, not just being first to market, but delivering the most relevant range of products that exceed our customers' expectations". Not an easy task considering models like the S8 are exported to markets all across the World where customer preferences can vary dramatically. "The S8 is a very special car which manages to blend seriously impressive sportiness while still being able to cover vast distances in extreme comfort. We set out to develop an exhaust that builds on those qualities without disrupting that finely judged balancing act". Milltek Sport's engineers knew from theirextensive work on the S6 / S7 Sportbackthat extracting a truly spine-tingling sound from the S8's V8 engine was always possible but the impressive part is how they've managed to ensure it doesn't become intrusive in the cabin. "We put a lot of time into making sure the driver can hear those beautiful V8 tones when they want to, but also ensuring the exhaust quietness down to near-OE volumes when they don't and I have to say we're extremely pleased with the results!" remarks Nicholson. The system is based around 2.76mm (70mm) stainless steel pipework. Milltek Sport uses only the finest aircraft-grade stainless steel in the construction of all of its systems, which carry a lifetime guarantee for the original owner.


  • 1 x LH Front Silencer
  • 1 x RH Front Silencer
  • 1 x Centre Silencer
  • 1 x LH Rear Silencer, Including Electronic Valve
  • 1 x RH Rear Silencer
  • Including Electronic Valve
  • 4 x Titanium Tips
  • Tailpipe Style: Quad 100mm GT100
  • Pipe Diameter: 2.76" (70.00mm)
  • Resonated (quieter)
  • Titanium Tips
  • Audi S8 4.0 TFSI Quattro Tiptronic 13-18

Shipping Notification:

  • All Milltek products ship directly from the Manufacturer.
  • Customer is responsible for all customs and duty fees associated with shipment.

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Vehicle Engine Notes
Audi S8

What is Milltek Sport?

Milltek Sport was founded in 1983 by a true car enthusiast. Since its inception, the company has grown to become the leading manufacturer of performance exhaust systems for a growing range of makes and models. More than 30 years of exhaust development and technical expertise are drawn upon to engineer the ultimate Milltek lineup of performance products. The brand offers an ever-expanding selection of sport exhausts that builds on the success of key marques like Audi, BMW, Porsche, Nissan, and Volkswagen.

Milltek Sport’s commitment to delivering a comprehensive lineup of quality performance products has placed it at the forefront of the tuning industry. The company has appointed key distributors and is currently exporting to more than 90 countries worldwide. Milltek Sport’s headquarters is located in the United Kingdom and its research & development center is at the iconic Nurburgring, Germany. The brand designs, develops, and tests all of its exhaust systems in-house using the latest cutting-edge equipment, like all-electrical CNC mandrel tube benders and FARO 3D laser scanners. That technology paired with one of the most experienced engineering and production teams allows Milltek to continue being the first to deliver advanced products and innovative designs. 

Quality Engineering

All Milltek exhaust systems are crafted from top-rate T304L stainless steel and built to withstand even the toughest conditions. T304L is a highly durable form of stainless steel that is less susceptible to degradation and discoloration, while virtually lasting almost indefinitely. Milltek’s dedication to perfection is what enabled the brand to become accredited to ISO 9001:2015. It also helped Milltek achieve the widest range of EC-approved exhaust solutions on the market, all of which are tested and approved by TUV in Germany.

Milltek Sport Racing

Everything Milltek Sport designs and manufactures has to be good enough for even the most demanding drivers and customers out there, particularly race teams. In order to fully grasp the demands and expectations of the motorsport field, Milltek has fully immersed itself within the industry and competed in some of the most arduous races and championships in Europe. 

Milltek has developed several vehicles and exhaust systems for Milltek Sport Racing to compete with in several series, including the Volkswagen Cup, Time Attack, VLN, N24, and the British Touring Car Championship. Through the brand’s own experiences on the track, it has been able to understand and perfect the exact tolerances and quality that the world’s leading motorsports team, manufacturers, and enthusiasts require.

Find Milltek Sport at Vivid Racing

If you are looking to upgrade your car’s exhaust system and see some real results, then Milltek Sport is the top choice. Vivid Racing carries a wide assortment of performance products from Milltek, including catback exhausts, test pipes, mid-pipes, downpipes, exhaust tips, mufflers, headers, complete exhaust systems, and more! If you are having trouble locating a particular item above, please call our expert sales team at (480) 966-3040.


In the unlikely event that you have a problem with your Milltek Sport exhaust system please consider the following Limited Warranty terms & conditions. To qualify for this Limited Warranty all Milltek Sport you must be the original purchaser of the products through an authorised Milltek Sport dealer. Having purchased products directly from an authorised Milltek Sport dealer, all warranties must be handled initially by that dealer. This Limited Warranty is void if the product(s) was/were not purchased new or improperly fitted either by an authorised Milltek Sport dealer or by a competent mechanic. This Limited Warranty applies to the original purchaser of the product only and is not transferable. To exercise the rights under this Limited Warranty, the product(s) must be presented to the supplying authorised Milltek Sport dealer, together with a receipt, bill of sale or other appropriate written proof of purchase which identifies the product(s) by serial number. Alternatively, you will need to supply the dealer with the Part Numbers and Batch Numbers which are stamped onto a plate on each part. Only authorised Milltek Sport dealers are authorised to perform warranty services under this Limited Warranty. Should the product(s) be determined by Milltek Sport to be covered by this Limited Warranty, it will be repaired or replaced, at Milltek Sport's sole discretion, which will be conclusive and binding.
  • Hi-Flow catalysts and Downpipes are covered by a 2 year or 80,000km guarantee.
  • All electronic products are covered by a 2-year guarantee.
  • All other products are covered by a lifetime guarantee.
Further conditions
  • In the event of a claim, it is the responsibility of the claimant to return the products to their authorised Milltek Sport dealer, carriage paid, and the products will be repaired or replaced at the manufacturer's discretion, free of charge.
  • The Limited Warranty terms covers the exhaust system only and does not cover garage labour, recovery, vehicle hire or any other associated costs.
  • The defective products must be returned for inspection prior to any replacement products being issued.
  • Repairs must only be carried out by an authorised Milltek Sport dealer. In the event that repairs are carried out elsewhere, this Limited Warranty will be rendered void.
  • The failure of products must not have been caused by any of the following to be eligible for warranty
  • Misuse, unauthorised modification, accident, worn or faulty engine mounts, faulty hangers or clamps, excessive vibration, internal explosion or backfire.
  • Non-standard use, the fitting of the part to a vehicle for which it is not intended or the application of insulating exhaust wrap.
  • The vehicle to which the products are fitted must be serviced in accordance with manufacturers recommendations and a record of this service is to be retained and shown in the event of a warranty claim.
  • Clamps, olives, sealing rings, flexible couplings and fittings are not covered by the warranty.
  • This warranty does not affect your statutory rights.
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Product Added At Thursday 15 October, 2015
Product Modified At Thursday 23 December, 2021
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Milltek Sport Ltd $2,986.66 $4,266.65 ? $4,266.65 ? 2021-12-23 12:45:18

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