Dinan D660-3950 Free Flow Axle-Back Exhaust System for BMW M5

The Dinan Free Flow Axle-Back Exhaust System transforms your 2000-2003 BMW M5 with enhanced performance and an aggressive exhaust note. Engineered specifically for the E39 M5's V8 powerplant, this premium exhaust system delivers measurable power gains while shedding significant weight from the rear of your vehicle.

Performance Benefits:

• Gains of +6 HP at 6500 RPM and +5 lb-ft of torque at 6500 RPM when paired with Dinan software
• Reduces weight by over 28 lbs compared to factory exhaust (34 lbs vs 62.6 lbs stock)
• Free-flowing design reduces backpressure for improved exhaust scavenging
• Enhanced throttle response throughout the RPM range

Construction and Design:

• 100% premium 304 stainless steel construction for maximum durability and corrosion resistance
• Dual 3-inch polished stainless steel exhaust tips with laser-engraved Dinan logo
• Utilizes factory mounting brackets and hangers for OEM-quality fitment
• Proprietary drone abatement technology minimizes unwanted cabin resonance
• Direct bolt-on installation with no modifications required

Sound Character:

Dinan's axle-back exhaust delivers a noticeably sportier and more aggressive exhaust tone that complements the M5's high-revving V8 character. The sound is louder than stock with an enthusiast-oriented note, while sophisticated engineering keeps drone to a minimum during highway cruising. The result is an exhaust that sounds incredible under acceleration while remaining refined during normal driving.

This exhaust system represents the perfect balance of performance, sound, and quality that Dinan is renowned for. Backed by Dinan's engineering expertise and quality standards, this axle-back exhaust is designed to meet the demands of discriminating BMW M5 enthusiasts.