BMW M235i Gran Coupe (F44) GPF / PPF Delete Performance Exhaust

Turn up the soundtrack on your BMW M235i Gran Coupe F44 with this OPF delete mid-section. This Cobra Sport OPF/GPF/PPF bypass pipe replaces the factory petrol particulate filter housing and unleashes a far more aggressive note with road-racer character. If you are searching for an OPF delete, GPF delete, PPF delete, OPF back system, exhaust mid-pipe upgrade, centre section upgrade or resonator delete for your M235i GC, this is the solution enthusiasts ask for.

Engineered in 3 inch 76.2 mm pipework, it installs from the OE downpipe to the central section, removing the particulate filter to free up the soundtrack and deliver a sharper, more engaging tone. Choose your sound level:

• Silenced option with a centre muffler for a refined yet sporty character.
• Straight-through option with no centre silencer for maximum volume and a raw, motorsport-inspired note.

We’ve fitted this upgrade and customers love the transformation in character and presence. Expect a deeper idle, crisper upshifts and a more spirited feel without drone with the silenced setup. Cobra’s craftsmanship and guarantee give confidence that this track-focused modification will stand up to hard use.

Why choose this OPF/GPF bypass for your M235i F44

• Direct replacement for the factory petrol particulate filter section.
• 3 inch 76.2 mm tubing for a freer-flowing exhaust path and enhanced tone.
• Two sound levels: silenced or straight-through centre section.
• Designed specifically for BMW M235i Gran Coupe F44 fitment.
• Backed by Cobra Sport’s quality assurance.

Fitting and tuning

Installation will require a basic ECU calibration to prevent the engine management light. As this modification removes the petrol particulate filter, it is intended for motorsport and off-road use only.

Want it fitted professionally? Book in with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.

Also known as

OPF delete pipe M235i F44, GPF bypass M235i Gran Coupe, PPF removal pipe, OPF-back exhaust, centre section upgrade, mid-pipe, resonator delete, straight pipe centre section.

Sound demos

Example of a comparable Cobra Sport setup: