Experience noticeable power gains, an awesome sound, and aggressive yet discrete styling. Manufactured since 1983 in the UK from premium T304L aircraft-grade stainless steel, chosen for its superior quality and anti-magnetic properties, every system ensures ultimate performance and a sharper throttle response through features like mandrel-bent, full-flow pipework.
Milltek’s performance stainless steel exhausts offer genuine power gains, an exhilarating sound, and a significant improvement in driveability and throttle response.
Key Features & Advantages:
- Premium Material: Manufactured from anti-magnetic, non-discoloring Type T304L aircraft-grade stainless steel for superior quality throughout all pipework and silencers.
- Optimised Flow: Increased bore size and mandrel-bent, full-flow pipework ensure ultimate performance without sacrificing mid-range torque.
- Proven Expertise: Over 40 years of continuous development, with all systems designed, developed, and manufactured in the UK since 1983.
- Weight Saving: Substantial weight reduction over original equipment.
- Comprehensive Range: Systems include cat-back, GPF/OPF-back, sports cats, de-cats, and more.
Need fitting guidance for your exhaust system, call +44 (0)1789 774444 or contact us directly.
Find your next Audi S8 D4 4.0 TFSI quattro Tiptronic Exhaust System
| SKU | Product Type | Tip Style | Additional Options | Pipe MM | Pipe Inches | EC Approved | Race System |
|---|---|---|---|---|---|---|---|
| MILLTEK1137-A | Cat-back | Quad 100mm GT100 | Non-resonated (louder). Cerakote Black Tips | 70.0 | 2.76 | X | X |
| MILLTEK1137-B | Cat-back | Quad 100mm GT100 | Non-resonated (louder). Polished Tips | 70.0 | 2.76 | X | X |
| MILLTEK1137-C | Cat-back | Quad 100mm GT100 | Non-resonated (louder). Titanium Tips | 70.0 | 2.76 | X | X |
| MILLTEK1137-D | Cat-back | Quad 100mm GT100 | Resonated (quieter). Cerakote Black Tips – ECE Approved | 70.0 | 2.76 | Y | X |
| MILLTEK1137-E | Cat-back | Quad 100mm GT100 | Resonated (quieter). Polished Tips – ECE Approved | 70.0 | 2.76 | Y | X |
| MILLTEK1137-F | Cat-back | Quad 100mm GT100 | Resonated (quieter). Titanium Tips – ECE Approved | 70.0 | 2.76 | Y | X |
| MILLTEK1137-G | Cat Replacement Pipes | Requires a Stage 2 ECU remap Fit only with Milltek Sport Cat Back (lambda cables need extending) | 70.0 | 2.76 | X | Y | |
| MILLTEK1137-H | Hi-Flow Sports Cats | Requires a Stage 2 ECU remap Fits only with Milltek Sport Cat Back (lambda cables need extending) | 70.0 | 2.76 | X | Y |
