Delivery, customs and taxes
Know the landed cost before you order
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For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.
Lead times and urgent orders
Check timing before you commit
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Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.
High value order, handled personally
We confirm build spec, lead time and delivery arrangements with you before any money moves. Prefer to talk it through first?
Your long-wheelbase S8 can be a comfortable place to cover distance and still sound special when you ask more of it. This Milltek cat-back gives you resonated and non-resonated choices, an active centre section and valved rear outlets. Choose the sound first, then the tip finish that suits the car.
Your options
Configuration
SKU
Resonated / Quieter / Polished Tips
SSXAU1060
Resonated / Quieter / Cerakote Black Tips
SSXAU1061
Resonated / Quieter / Brushed Titanium Tips
SSXAU1062
Resonated / Quieter / Burnt/Blue Titanium Tips
SSXAU1063
Resonated / Quieter / JET-115 Carbon Trims
SSXAU1064
Non-Resonated / Louder / Polished Tips
SSXAU1065
Non-Resonated / Louder / Cerakote Black Tips
SSXAU1066
Non-Resonated / Louder / Brushed Titanium Tips
SSXAU1067
Non-Resonated / Louder / Burnt/Blue Titanium Tips
SSXAU1068
Non-Resonated / Louder / Carbon Tips
SSXAU1069
A sound choice for the journeys you actually make
If your S8 spends much of its time on long motorway trips, we would start with the resonated version. Its additional front silencers make it the more restrained choice in this pair. The non-resonated system replaces those silencers with pipework for owners who want a more prominent exhaust note. Both retain the valved character; the choice is how much exhaust you want accompanying the car between the moments of full acceleration.
Choose the finish that suits your S8
Polished tips give a bright, classic metal finish. Cerakote black blends into darker exterior trim, while brushed titanium has a softer, more understated metal appearance. Burnt titanium adds colour; carbon gives the rear a more distinctive texture. Choose the look you enjoy alongside your preferred resonated or non-resonated sound.
What you get
Lower connections, centre and rear sections, valved outlets, the selected tips and fitting hardware are supplied. The LWB connecting pipes are part of this package, rather than an extra to adapt a short-wheelbase system.
Fitting and ownership
This is the long-wheelbase, non-OPF application. It is not interchangeable with the standard-wheelbase or UK/European OPF package. Milltek estimates 2.5-3.5 hours for fitting; valve operation, clearances and tip alignment are part of a proper installation.
Delivery, customs and taxes
Know the landed cost before you order
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Lead times and urgent orders
Check timing before you commit
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
Questions before you order
Frequently asked questions
Does the long-wheelbase kit need extra extension pipes?
The correct LWB connecting pipes are included in this package.
Will this fit a UK OPF-equipped S8?
This particular LWB package is for the non-OPF US/ROW application. The UK/European OPF system is a separate product.
Will different tips change the sound?
Within the same exhaust configuration, the tip finish changes the appearance. Where the options include different sound configurations or body styles, choose those first, then the finish.
How should I look after it?
Let the exhaust cool before cleaning. Wash road salt and dirt from the tips regularly with a soft cloth and a non-abrasive cleaner suitable for their finish. Have any new rattle checked for loose fittings or contact with the bodywork.
Which version would you choose for regular long journeys?
We would start with the resonated system. It keeps the additional front silencers and is the more restrained option here. Choose non-resonated if a more prominent exhaust note matters more to you than keeping the sound subdued on everyday journeys.
Fitment first
Check fit before you order
Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.
Check vehicle fitment
Need help with this product?
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.