Scorpion Non-Resonated Cat-Back System with Electronic Valves – Daytona Black Ceramic Tips – BMW F80 M3 / F82 F83 M4

The Scorpion SBMS073C non-resonated cat-back system is a full performance exhaust upgrade designed for BMW F8x M cars. Featuring electronic valve control and black ceramic Daytona tailpipes, this system delivers aggressive sound when opened up while retaining the ability to quieten the car for daily driving.

Fitment: BMW F8x M Models (Non-GPF)
SKU: SBMS073C

Key Features

Non-Resonated Valved Cat-Back Design

– Full system from mid-pipe to rear silencer
– Non-resonated setup for maximum sound output
– Integrated electronic valves for adjustable volume

Daytona Black Ceramic Tailpipes

– Quad 90mm Daytona tailpipes
– Black ceramic coated finish
– Aggressive OEM+ styling

70mm Performance Pipework

– 70mm (2.75") mandrel-bent stainless steel
– Improved exhaust flow and reduced restriction

Lightweight Stainless Steel Construction

– T304 stainless steel build
– Slight weight saving vs OEM (~24.6kg vs 25kg)
– Corrosion resistant and long-lasting

Benefits

– Loud, aggressive exhaust tone with valves open
– Ability to quieten for daily driving with valves closed
– Improved throttle response and turbo sound
– Supports tuned and high-performance builds

Fitment

– BMW M3 F80 (2014–2018)
– BMW M4 F82 / F83 (2014–2018)
– S55 engines (Non-GPF models only)

Installation Notes

– Direct fit to OEM or Scorpion systems
– OEM exhaust may require cutting unless paired with Scorpion system
– Uses OEM valve motors for operation
– ECU tuning not required but enhances performance