The RENNVOX cat-back exhaust system is under development for the McLaren 650S (P11), powered by the 3.8L twin-turbocharged V8 (M838T). Developed with a vehicle-specific approach, this application focuses on enhancing exhaust character while respecting the distinctive engineering of the platform.

The cat-back layout is intended to refine the sound character and exhaust flow downstream of the catalytic-converter area. Exact routing, valve configuration, materials and compatibility will be confirmed before release.

FAQ

Is this product available now?

This cat-back exhaust system is under development. Register your interest for availability and confirmed specifications.

Will it fit my vehicle?

Final fitment for the McLaren 650S (P11) must be verified against the exact model, model year, engine and regional specification before ordering.

What changes can I expect?

The development objective is a more engaging exhaust character and optimised flow. Final sound characteristics, performance outcomes and component details are not yet confirmed.