flat plane crank RSS
McLaren 720S Downpipe Guide — M840T Catted vs Catless, 800 HP Stage 2 & Sound
The McLaren 720S is powered by the M840T — a 4.0-litre twin-turbo flat-plane-crank V8 that produces 710 HP from the factory. It is one of the most technologically advanced engines in any production car, and it has significant untapped performance potential. The factory catalytic converters, positioned downstream of each turbocharger, are the single biggest restriction in the exhaust system. Replacing them with performance downpipes is the foundation of serious 720S power builds. The M840T Exhaust Architecture McLaren’s M840T is a bespoke unit — not shared with any other manufacturer. The flat-plane crankshaft delivers an even firing order that naturally produces...
McLaren 720S ECU Tuning Guide | Stage 1 & Stage 2 Power Gains & Process | Complete Guide 2026
The McLaren 720S runs the M840T 4.0-litre twin-turbo V8 — McLaren's most potent engine in the Super Series lineup. With 710 HP and 770 Nm from the factory, the M840T is already a powerhouse, but its twin-scroll turbochargers and Bosch Motronic MED 17.3.5 ECU leave substantial headroom for professional calibration. YPG Motorsport's bench tuning service unlocks up to 870 HP and 976 Nm at Stage 2, making the 720S one of the most rewarding exotics to tune in the GCC. McLaren 720S Engine Breakdown — M840T 4.0T V8 Spec Detail Engine Code M840T Displacement 3,994 cc (4.0L) Configuration 90° V8,...