Exhaust Drone Removal - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
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UPDATE IV: Exhaust Drone - X-pipe flute?. See Post 72 - Page 5 - Rennlist - Porsche Discussion Forums
![DEVELOPMENT: 991.1 Carrera Valved Performance Exhaust - IMPROVED! - Soul Performance ProductsSoul Performance Products DEVELOPMENT: 991.1 Carrera Valved Performance Exhaust - IMPROVED! - Soul Performance ProductsSoul Performance Products](https://soulpp.com/wp-content/uploads/2019/03/Soul-Performance-991.1-Carrera-Valved-Performance-Exhaust-Prototype-1-X-1024x662.jpg)