Dinan Free Flow Axle-Back Exhaust - 2016-2020 BMW 330i/430i Stainless Steel - Polished Tips - F30/F31/F32/F33/F36 BMW 4 Series G22 3” (76mm) connection

3” (76mm) connection

Larger diameter piping for increased flow (76mm vs 70mm)

Dinan's custom filters

Rear - Large 22mm size (stock bar is 21

Dinan Free Flow Axle-Back Exhaust - 2016-2020 BMW 330i/430i Stainless Steel - Polished Tips - F30/F31/F32/F33/F36 BMW 4 Series G22 3” (76mm) connectionStainless Steel Polished Tips F30 F31 F32 F33 F36 Dinan engineers designed the BMW 330i 430i exhaust to improve 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. Like all Dinan exhausts our 330i 430i Free Flow Axle Back Exhaust is engineered to reduce low RPM drone so the cabin of the vehicle is still intimate