D660-0075-BLK – Dinan Freeflow Stainless Exhaust with Black Tips for the BMW G30 M550i
Dinan’s Free Flow Exhaustimproves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone.
- 8 HP @ 6600 RPM, 6FT-LB @ 6600 RPM
- Four massive 4" diameter clamp-on, double-walled, polished and laser engraved exhaust tips.
- Easy bolt-on installation with included mounting hardware
- Enjoyably louder, sportier sound
- 100% 304 stainless steel construction
- Computer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions.