Transform the 2024+ McLaren 750S M840T and the 2019-2020 McLaren Senna with Redstar 3.5 inch performance exhaust downpipes. Purpose-built for the 4.0L V8 twin-turbo platform, these downpipes are engineered to let your McLaren breathe more freely, elevating response and delivering the authentic race-inspired character enthusiasts demand.

With 3.5 inch piping and precision-formed 2.0mm 304 stainless construction, expect significant power gains, faster turbo spool and crisper throttle response. Pair with RedstarÕs OEM-style heat shielding to cut radiant heat by up to 80% for cooler under-bonnet temperatures and support for turbo longevity. Reduced weight and a richer, more purposeful exhaust note complete the transformation while retaining the vehicleÕs refined road manners.

Tailor your system with HJS HD 200cpsi ultra high-performance catalytic converters, GESI GEN2 400cpsi converters, RedstarÕs OEM-style heat shielding, or Inconel 625 construction for extreme temperature resilience. Every Redstar performance exhaust component is crafted for durability and accuracy, delivering dependable gains, a thrilling soundtrack, and the engineering credibility that defines Redstar downpipes for McLaren 750S and McLaren Senna owners.

Available Options

• HJS HD 200cpsi Catalytic Converters: Engineered in Germany and trusted worldwide, the HJS 200cpsi ultra high-performance cats are rated for over 1000hp. Renowned for exceptional flow, durability, and consistent quality, these converters set the benchmark for high-output applications. Ideal for drivers demanding maximum performance without compromise.
• GESI GEN2 400cpsi Catalytic Converters: The latest GEN2 series from GESI is rated to support up to 1000hp while offering smoother exhaust flow and improved efficiency compared with factory units. Featuring advanced emissions technology for optimal catalyst function at high flow rates. A strong choice for those seeking significant performance gains with refined operation.
• 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.
• Inconel 625: A premium material option valued for outstanding high-temperature strength, corrosion resistance and durability, ideal for demanding exhaust environments.

Key Performance Benefits

• Significant power gain for the 4.0L V8 twin-turbo platform
• Faster turbo spool and sharper throttle response
• Reduced under-bonnet temperatures for greater thermal control
• Increasing the life of the turbos through improved thermal management
• Reduced weight compared with factory components
• A deeper, more engaging, race-inspired exhaust tone

Technical Specifications

• 3.5 inch piping diameter
• 2.0mm wall 304 stainless steel primary construction

Fitments

• 2024+ McLaren 750S M840T
• 2019-2020 McLaren Senna