Dinan D660-0094 High Flow Middle Exhaust for BMW M3/M4

The Dinan High Flow Middle Exhaust transforms your 2021-2025 BMW M3/M4 with enhanced performance and a more aggressive exhaust note. This premium mid-pipe section is engineered to deliver improved exhaust flow while maintaining Dinan's reputation for quality fitment and construction.

Key Features:

• Upgraded 76mm (3-inch) tubing replaces restrictive 70mm (2.75-inch) factory piping for maximum flow
• Mandrel-bent X-pipe crossover design minimizes restriction and optimizes exhaust scavenging
• Resonator delete design produces a louder, sportier exhaust tone with improved sound quality
• 100% 304 stainless steel construction ensures corrosion resistance and long-term durability
• Weighs only 17 pounds—5 pounds lighter than the 22-pound stock mid-section
• Factory-like fitment with all necessary mounting hardware included for straightforward installation

This mid-section exhaust upgrade installs between the secondary catalytic converters and the rear muffler, delivering noticeable performance gains and a more engaging driving experience. The precision-engineered design integrates seamlessly with your BMW's exhaust system while providing the enhanced flow characteristics demanded by enthusiasts.