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 2 Series M2 Coupe (G87 S58 OPF/GPF Models) Exhaust System
| SKU | Product Type | Tip Style | Additional Options | Notes | Pipe MM | Pipe Inches | EC Approved | Race System |
|---|---|---|---|---|---|---|---|---|
| MILLTEK1181-A | Cat-back | 115 GT | Cat Back – Non-Resonated (Loudest) with GT-115 Brushed Titanium Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-AA | Particulate Filter-back | 115 GT | OPF/GPF Back with Centre Resonator Bypass & GT-115 Polished Trims (OE Requires Cutting) | (OE Requires Cutting) | 76.2 | 3.0 | X | X |
| MILLTEK1181-B | Cat-back | 115 GT | Cat Back – Non-Resonated (Loudest) with GT-115 Burnt/Blue Titanium Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-BB | Particulate Filter-back | 115 JET | OPF/GPF Back with Centre Resonator Bypass & JET-115 Carbon Trims (OE Requires Cutting) | (OE Requires Cutting) | 76.2 | 3.0 | X | X |
| MILLTEK1181-C | Cat-back | 115 GT | Cat Back – Non-Resonated (Loudest) with GT-115 Cerakote Black Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-CC | Axle Back | 115 GT | Centre Resonator Back System with GT-115 Brushed Titanium Trims (ECE) | (OE Requires Cutting) – ECE Approved | 76.2 | 3.0 | Y | X |
| MILLTEK1181-D | Cat-back | 115 GT | Cat Back – Non-Resonated (Loudest) with GT-115 Polished Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-DD | Axle Back | 115 GT | Centre Resonator Back System with GT-115 Burnt / Blue Titanium Trims (ECE) | (OE Requires Cutting) – ECE Approved | 76.2 | 3.0 | Y | X |
| MILLTEK1181-E | Cat-back | 115 JET | Cat Back – Non-Resonated (Loudest) with JET-115 Carbon Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-EE | Axle Back | 115 GT | Centre Resonator Back System with GT-115 Cerakote Back Trims (ECE) | (OE Requires Cutting) – ECE Approved | 76.2 | 3.0 | Y | X |
| MILLTEK1181-F | Cat-back | 115 GT | Cat Back – Resonated with GT-115 Brushed Titanium Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-FF | Axle Back | 115 GT | Centre Resonator Back System with GT-115 Polished Trims (ECE) | (OE Requires Cutting) – ECE Approved | 76.2 | 3.0 | Y | X |
| MILLTEK1181-G | Cat-back | 115 GT | Cat Back – Resonated with GT-115 Burnt/Blue Titanium Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-GG | Axle Back | 115 JET | Centre Resonator Back System with JET-115 Carbon Fibre Trims (ECE) | (OE Requires Cutting) – ECE Approved | 76.2 | 3.0 | Y | X |
| MILLTEK1181-H | Cat-back | 115 GT | Cat Back – Resonated with GT-115 Cerakote Black Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-I | Cat-back | 115 GT | Cat Back – Resonated with GT-115 Polished Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-J | Cat-back | 115 JET | Cat Back – Resonated with JET-115 Carbon Trims | Requires Stage 2 ECU Remap or OPF/GPF Bypass Modules | 76.2 | 3.0 | X | Y |
| MILLTEK1181-K | Additional parts | Optional X Pipe Centre Section – Replaces MSBM424 Silencer or MSBM425/426 Rep Pipes in OPF/Secondary Cat Bypass Systems – NOTE Can not be used on its own | X | X | ||||
| MILLTEK1181-L | Active Valve Control | Plug & Play Remote Control System for OE & Milltek Sport Exhausts | X | X | ||||
| MILLTEK1181-M | Large-bore Downpipes and Cat Bypass Pipes | Decat Downpipes (Requires Stage 2 ECU Remap) – Fits to OE or Milltek 102mm Mid Pipes | 76.2 | 3.0 | X | Y | ||
| MILLTEK1181-N | Large-bore Downpipe and De-cat | Requires Stage 2 ECU Remap – Fits to OE and Milltek Sport 3" GPF Delete Systems | 76.2 | 3.0 | X | Y | ||
| MILLTEK1181-O | HJS Tuning ECE Downpipes | ECE Approved | 70.0 | 2.76 | Y | X | ||
| MILLTEK1181-P | GPF/OPF Bypass | OPF/GPF Bypass – Non Resonated to OE Axle Back Only | Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) | 76.2 | 3.0 | X | Y | |
| MILLTEK1181-Q | GPF/OPF Bypass | OPF/GPF Bypass – Resonated to OE Axle Back Only | Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) | 76.2 | 3.0 | X | Y | |
| MILLTEK1181-R | GPF/OPF Bypass | OPF/GPF Bypass Single Pipe 102mm – Non Resonated to Milltek Axle Back Only | Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) – Fitment with OE downpipes or Milltek SSXBM1334 / 1333 | 101.6 | 4.0 | X | Y | |
| MILLTEK1181-S | GPF/OPF Bypass | OPF/GPF Bypass Single Pipe 102mm – Non Resonated to OE Axle Back Only | Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) Fitment with OE downpipes or Milltek SSXBM1334 / 1333 | 101.6 | 4.0 | X | Y | |
| MILLTEK1181-T | GPF/OPF Bypass | OPF/GPF Bypass Single Pipe 102mm – With X Pipe to OE Axle Back Only | Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) – Fitment with OE downpipes or Milltek SSXBM1334 / 1333 | 101.6 | 4.0 | X | Y | |
| MILLTEK1181-U | GPF/OPF Bypass | OPF/GPF Bypass Single Pipe 102mm – with X-Pipe to Milltek Axle Back Only | Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de) – Fitment with OE downpipes or Milltek SSXBM1334 / 1333 | 101.6 | 4.0 | X | Y | |
| MILLTEK1181-V | Large Bore Downpipe and Hi-Flow Sports Cat | V2 HJS HQ 200 Cell Catted Downpipes (No CEL) – Fits to OE or Milltek 102mm Mid Pipes | 76.2 | 3.0 | X | Y | ||
| MILLTEK1181-W | Large Bore Downpipe and Hi-Flow Sports Cat | with HJS HQ 200CPSI Cats (No CEL or ECU Software Required) – Fits to OE OPF/GPF & Milltek Sport 3" OPF/GPF Bypass Sections | 76.2 | 3.0 | X | Y | ||
| MILLTEK1181-X | Particulate Filter-back | 115 GT | OPF/GPF Back with Centre Resonator Bypass & GT-115 Brushed Titanium Trims (OE Requires Cutting) | (OE Requires Cutting) | 76.2 | 3.0 | X | X |
| MILLTEK1181-Y | Particulate Filter-back | 115 GT | OPF/GPF Back with Centre Resonator Bypass & GT-115 Burnt/Blue Titanium Trims (OE Requires Cutting) | (OE Requires Cutting) | 76.2 | 3.0 | X | X |
| MILLTEK1181-Z | Particulate Filter-back | 115 GT | OPF/GPF Back with Centre Resonator Bypass & GT-115 Cerakote Black Trims (OE Requires Cutting) | (OE Requires Cutting) | 76.2 | 3.0 | X | X |
