OPF/GPF Bypass - Resonated - Fits to OE Downpipes & Milltek Sport Axle Back System Only - Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de)
BMW 4 Series G82 M4 & M4 Competition S58 3.0 Turbo (OPF/GPF Equipped Cars Only) 2020-2026
OPF/GPF Bypass - Resonated - Fits to OE Downpipes & Milltek Sport Axle Back System Only - Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de)
EC Approved
No
Fitting Time
2.00 to 3.00 hours
Pipe Diameter
76.2mm
Race System
Yes
System Type
GPF/OPF Bypass
Tip Style
Valvesonic
No
Please check vehicle fitment and notes below before purchase to ensure compatibility.
OPF/GPF Bypass - Non-Resonated (Louder) - Fits to OE Downpipes & Milltek Sport Axle Back System Only - Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de)
BMW 4 Series G82 M4 & M4 Competition S58 3.0 Turbo (OPF/GPF Equipped Cars Only) 2020-2026
OPF/GPF Bypass - Non-Resonated (Louder) - Fits to OE Downpipes & Milltek Sport Axle Back System Only - Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de)
EC Approved
No
Fitting Time
2.00 to 3.00 hours
Pipe Diameter
76.2mm
Race System
Yes
System Type
GPF/OPF Bypass
Tip Style
Valvesonic
No
Please check vehicle fitment and notes below before purchase to ensure compatibility.
OPF/GPF Bypass - Resonated - Fits to OE Downpipes & OE Axel Back System Only (OE Requires Cutting) - Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de)
BMW 4 Series G82 M4 & M4 Competition S58 3.0 Turbo (OPF/GPF Equipped Cars Only) 2020-2026
OPF/GPF Bypass - Resonated - Fits to OE Downpipes & OE Axle Back System Only (OE Requires Cutting) - Requires Stage 2 ECU Remap or OPF/GPF Bypass Module (Available from www.leib-engineering.de)
All Milltek performance exhaust systems are manufactured from T304L stainless-steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless-steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.
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