Unleash a stronger voice and sharper response from your Range Rover with the Redstar Exhaust Secondary Cat Delete for the BMW 4.4L V8 twin turbo. Precisely designed for 2024+ Range Rover P615/P635 SV 4.4 Twin Turbo, 2024+ Range Rover Autobiography 4.4 Twin Turbo, 2023+ Range Rover P530 L460 4.4 Twin Turbo, and 2023+ Range Rover Sport P530 L461 4.4 Twin Turbo, this performance exhaust upgrade targets the restrictive secondary catalytic converter section while retaining the rest of the factory system.
By removing the secondary cats, these flow-optimised downpipes reduce back pressure to deliver significant power gains, faster spool-up and noticeably crisper throttle response. The result is a deeper, much louder exhaust note without replacing the entire exhaust. Pair with Redstar's OEM-style heat shielding option to cut radiant exhaust heat by up to 80%, helping to control under-bonnet temperatures and support turbo longevity.
Engineered for a perfect fit, every set is built from 2.0mm wall 304 stainless steel, TIG welded and back purged, and finished with OEM-spec V-band flanges plus factory-style brackets. The system installs as a true bolt-on and is calibrated not to trigger a check engine light. Redstar performance exhaust downpipes are the ideal first upgrade for the latest Range Rover 4.4 twin turbo platforms.
Available Options
- OEM-Style Heat Shielding: "Redstar's signature thermal management system reduces radiant exhaust heat by up to 80%. Developed with motorsport-inspired materials and construction, it uses a multi-layer design of ceramic insulation and embossed stainless steel foil. Unlike wraps or coatings that degrade quickly, Redstar shielding delivers long-term durability and consistent protection for engine bay components."
- Competition/Catless: "Maximum flow design for uncompromised performance. Delivers the most aggressive exhaust note and optimal power gains. Track use only - not for road use."
Key Performance Benefits
- Noticeable power and torque gains from reduced back pressure
- Faster turbo spool and crisper throttle response
- Lower under-bonnet temperatures that help protect surrounding components
- A deeper, louder and more characterful exhaust note
- Direct bolt-on installation that integrates with the factory system
- Designed not to trigger a check engine light (CEL)
Technical Specifications
- 2.0mm wall 304 stainless steel construction
- 100 percent TIG welded and back purged
- OEM-spec V-band flanges for factory-style sealing
- All brackets and mounts mirror the OEM unit for precise fitment
Notes
- OPF variant available for European emission cars only.
