Dinan D660-0091 Valved Axle-Back Exhaust System for BMW B48 Engine

The Dinan D660-0091 Valved Axle-Back Exhaust System delivers enhanced performance and a sportier exhaust note for 2019-2024 BMW 330i and 430i models equipped with the B48 turbocharged engine. This premium exhaust upgrade features valved technology that retains full factory valve control, allowing drivers to switch between subdued and aggressive exhaust tones using the vehicle's existing drive mode settings.

Performance Benefits:

• Maximum gains of +4 horsepower and +3 ft-lb of torque
• Optimized flow with larger diameter piping transitioning from 85mm to dual 60mm outlets
• Engineered drone abatement technologies to reduce unwanted cabin resonance
• Noticeably louder, sportier exhaust sound without excessive volume

Premium Construction:

• 100% 304 stainless steel construction for long-lasting durability and corrosion resistance
• Dual 4-inch (102mm) double-walled polished clamp-on tips with laser-engraved Dinan logo
• Factory-like fitment with all necessary mounting hardware included
• Direct bolt-on installation using OEM mounting points

This axle-back system is designed specifically for the G20 330i and G22 430i chassis, providing an ideal balance of performance, sound quality, and refinement. The valved design ensures versatility for daily driving comfort and spirited performance when desired.