MILLTEK VALVED & RESONATED OPF / GPF-BACK EXHAUST SYSTEM FOR D5 AUDI S8
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Milltek Valved & Resonated OPF / GPF-Back Exhaust System for D5 Audi S8
Milltek has masterfully designed a range of exhaust systems for enthusiasts desiring to improve both the acoustic and aesthetic aspects of their vehicles. These systems are made for hassle-free installation, acting as a direct replacement for the stock exhaust, and come in a variety of styles. Such diversity allows vehicle owners to fine-tune the exhaust’s sound level and character, achieving a deeper and more enjoyable sound. Fabricated from robust 304L “Aircraft” grade stainless steel, every Milltek catback system is capable of withstanding adverse conditions, ensuring lasting efficacy and unwavering durability.
Milltek’s Resonated OPF-Back Exhaust System for the D5 Audi S8 is a cutting-edge solution designed to elevate the performance and auditory profile of your vehicle. Incorporating the latest in exhaust technology, it works seamlessly with the Otto Particulate Filter (OPF) to ensure compliance with emissions standards while maximizing flow efficiency.
Specifications
- Type: Valved / Resonated / OPF-GPF-back
- Tip Finish
- Brushed Titanium
- Burnt Titanium
- Carbon Fiber
- Cerakote Black
- Polished
- Tip Shape: GT
- Pipe Diameter: Twin 80mm
- EC Approved: No
- Motorsport Use Only: No
- Outlet: Quad
What’s Included
- LH lower downpipe
- RH lower downpipe
- LH front silencer
- RH front silencer
- Active center section
- LH connecting pipe
- RH connecting pipe
- LH rear silencer
- RH rear silencer
- LH valved outlet pipe
- RH valved outlet pipe
- 4.5″ tips (4)
Applications
- Audi S8: D5 (2020+) | 4.0L Bi-Turbo FSI V8
Notes
- Does not require cutting of the OE system
- Also fits UK / European models
About Milltek
Milltek is committed to designing performance exhaust systems that are tailored to the needs of the driver, covering an increasingly broad spectrum of vehicles. The company is dedicated to ongoing innovation, with its research & development team working tirelessly to bring to market the most sought-after exhaust solutions. Manufactured in the UK and distributed to over 90 countries worldwide, Milltek Sport stands as one of the most widely available performance aftermarket brands, continually striving to meet the evolving demands of performance exhaust enthusiasts around the globe.
| exhaust-tip-finish | Burnt Titanium, Brushed Titanium, Carbon Fiber, Cerakote Black, Polished |
|---|
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.





















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