Dinan Free Flow Axle-Back Exhaust System | G30 540i | 3.0L Turbo I6 [B58] E90 · E91 · E92 · E93 328i 3.0L I6 [N52] More durable double-stitch sleeves and

More durable double-stitch sleeves and bottom hem

reliable amount on the stock engine

Stage 2 E30: up to 60%HP / 55%TQ (20i)

polished finish is sure to make your GLI stand out from the crowd

Original BorgWarner Larger High-Flow K16 Clipped Turbine

Dinan Free Flow Axle-Back Exhaust System | G30 540i | 3.0L Turbo I6 [B58] E90 · E91 · E92 · E93 328i 3.0L I6 [N52] More durable double-stitch sleeves andUtilizing the same muffler as its B58 siblings the G30 540i exhaust improves 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 hard acceleration. Not only is the tone improved but the additional burbles and pops that also accompany it are simply intoxicating. While on the exterior the sound may be viewed as aggressive the inside