DPF Back Milltek Land Rover Defender L663 OCTA P635 2025 - Without primary muffler - Polished Quad GT100 Tips

Milltek Sport DPF-back exhaust system for Land Rover Defender L663

Does the original sound of your Land Rover Defender L663 leave you wanting more? This Milltek Sport stainless steel DPF-back system is the most requested upgrade among owners: more presence, a true sound signature and build quality that lasts.

Technical specifications

• Milltek part number: SSXLR263
• Part type: DPF-back exhaust system
• Configuration: with exhaust valves
• Details: Without primary muffler, quad GT100 polished stainless steel tips
• Tube diameter: 80 mm
• Outlets: Four 100 mm GT100 tips
• Tip finish: polished stainless steel
• Fitting information: With exhaust valves
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• Land Rover Defender L663 OCTA P635 4.4 V8 BiTurbo 635 hp (Chassis 110, 2025, with DPF)

Not sure about compatibility with your vehicle? Contact us with your chassis number (VIN) before ordering.

Our most frequently asked questions

• And what about the neighbors in the morning? The valves are controlled as on the original: closed and quiet at startup or in comfort mode, fully open in sport mode.
• Fitting: the system uses the original mounting points. A workshop with the right equipment typically fits it in one to two hours.

Why choose Milltek Sport?

A benchmark for European tuners, Milltek Sport tunes each system directly on the vehicle. Mandrel-bent tubing, clean welds and aerospace-grade stainless steel ensure a system that lasts and sounds right.

Learn more

• Valved exhaust: how does it work, and should you keep the valves?