Milltek GPF OPF Bypass for BMW M8 and M8 Competition F91 F92 4.4 V8 Twin Turbo 2020 onwards — the ultimate BMW M8 exhaust upgrade for OPF GPF cars only. This Milltek OPF delete bypass pipe set fits to OE downpipes and is designed to work with the Milltek Sport Particulate Filter Back System only, delivering maximum sound, flow and motorsport character while retaining premium refinement.
Made in the UK from aerospace grade type 304 non-magnetic stainless steel, every Milltek Sport GPF OPF bypass is hand finished by experienced craftsmen for exceptional durability and a perfect fit. Mandrel-bent tubing maintains a constant radius for optimised gas flow, while carefully selected bore diameters unlock responsiveness and performance without sacrificing mid-range torque. The result is a deeper, crisper, more aggressive exhaust note from your BMW M8 V8 twin turbo, with no unwanted drone or harsh cabin resonance.
- Direct fit Milltek GPF OPF bypass for BMW M8 and M8 Competition F91 F92 2020 onwards
- Fits to OE downpipes and Milltek Sport Particulate Filter Back System only
- For OPF GPF cars only
- Aerospace grade type 304 stainless steel construction for long-lasting performance
- Mandrel-bent pipework for smooth, high-flow exhaust gas velocity
- Enhanced sound, sharper throttle response and reduced back pressure
- Precision UK-made quality from Milltek Sport
Why choose this Milltek OPF GPF bypass for your BMW M8 F91 F92
- Transform the soundtrack of the S63 4.4 litre V8 twin turbo with a more authentic motorsport tone
- Ideal pairing with the Milltek Sport particulate filter back system for a complete performance exhaust solution
- Designed specifically for the M8 and M8 Competition platform to ensure correct fitment and performance
- Built to resist discolouration and corrosion for long-term reliability
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Compatibility
- BMW 8 Series M8 and M8 Competition F91 Cabrio and F92 Coupe
- 4.4 V8 twin turbo 2020 onwards
- OPF GPF equipped vehicles only
- Fits to OE downpipes and requires Milltek Sport Particulate Filter Back System
Nforcd approved
We have supplied and fitted Milltek systems for years and our M8 customers consistently love the build quality, fitment accuracy and the way this OPF GPF bypass unlocks the V8’s character. If you want the best BMW M8 exhaust sound with Milltek quality, this is the go-to choice.
Fitting and installation
Professional installation recommended. For expert fitting at Nforcd in Warwickshire, request a quote: Sales@nforcd.com.
Note: For off-road and track use where local regulations permit. Ensure compliance with all applicable laws before installation.