Stone Turbo-back Exhaust System

Pure sound, raw emotion! The all-new BMW G45 X3 (B48B engine) gets a massive attitude adjustment with the Stone Exhaust Turbo-back system.

From the deep, aggressive cold start to crisp, high-revving notes and insane pops & bangs—this is how a luxury German SUV is meant to sound! Put on your headphones and experience the ultimate valvetronic exhaust upgrade. 

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