Stone Turbo-back Exhaust System

A good design is not about pretty or ugly since both things are subjective.
      - Domagoj Dukec, the head of design at BMW

Maybe comically would be the right word to describe it…(JK JK)
Anyway, the infatuation for Stone Exhaust must be objective. 
 
Upgraded: 
Catless Downpipe 
Remote Controlled Valvetronic Catback Exhaust System – Dual Valves

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