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 BMW 8 Series M8 & M8 Competition 4.4l V8 Twin Turbo F91 & F92 Coupe & Cabrio (OPF/GPF Equipped Cars Only) Exhaust System
| SKU | Product Type | Tip Style | Additional Options | Notes | Pipe MM | Pipe Inches | Race System |
|---|---|---|---|---|---|---|---|
| MILLTEK1221-A | Particulate Filter-back | 115 GT | OPF/GPF Back System with valved Rear Silencer Bypass & GT-115 Brushed Titanium Trims (OE requires cutting) | 80.0 | 3.15 | X | |
| MILLTEK1221-B | Particulate Filter-back | 115 GT | OPF/GPF Back System with valved Rear Silencer Bypass & GT-115 Burnt/Blue Titanium Trims (OE requires cutting) | 80.0 | 3.15 | X | |
| MILLTEK1221-C | Particulate Filter-back | 115 GT | OPF/GPF Back System with valved Rear Silencer Bypass & GT-115 Cerakote Black Trims (OE requires cutting) | 80.0 | 3.15 | X | |
| MILLTEK1221-D | Particulate Filter-back | 115 GT | OPF/GPF Back System with valved Rear Silencer Bypass & GT-115 Polished Trims (OE requires cutting) | 80.0 | 3.15 | X | |
| MILLTEK1221-E | Particulate Filter-back | 115 JET | OPF/GPF Back System with valved Rear Silencer Bypass & JET-115 Carbon Trims (OE requires cutting) | 80.0 | 3.15 | X | |
| MILLTEK1221-F | Additional parts | OPF/GPF Bypass Plug and Play Modules | Y | ||||
| MILLTEK1221-G | Active Valve Control | Plug & Play Remote Control System for OE & Milltek Sport Exhausts | X | ||||
| MILLTEK1221-H | GPF/OPF Bypass | Fits to OE Downpipes and Milltek Sport Particulate Filter Back System Only | (Only compatible with models up to Nov 2020 build date)- Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) | 80.0 | 3.15 | Y | |
| MILLTEK1221-I | GPF/OPF Bypass | Fits to OE Downpipes and OE Particulate Filter Back System Only | (Only compatible with models up to Nov 2020 build date) (OE requires cutting) – Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) | 80.0 | 3.15 | Y |
