Dinan D660-0012 Free Flow Axle-Back Exhaust System for BMW 335i/335xi

The Dinan Free Flow Axle-Back Exhaust System transforms your BMW 335i or 335xi with enhanced performance, weight reduction, and a more aggressive exhaust note. Engineered specifically for 2007-2011 models, this premium exhaust upgrade delivers measurable power gains while maintaining the refined character BMW enthusiasts expect.

Performance Enhancements:

• Power increase of 6 HP at 6600 RPM and 5 lb-ft of torque at 6600 RPM
• Reduced exhaust backpressure for improved engine breathing
• Lighter weight construction compared to factory exhaust system
• Enhanced throttle response throughout the RPM range

Premium Construction:

• 100% 304 stainless steel construction for superior durability and corrosion resistance
• Dual 3.5-inch laser-engraved exhaust tips available in polished or ceramic black finish
• Precision mandrel-bent tubing for optimal exhaust flow
• TIG-welded joints for maximum strength and longevity

Sound and Comfort:

• Sportier, more aggressive exhaust tone that enhances the driving experience
• Drone abatement technology reduces unwanted cabin resonance
• Carefully tuned acoustics provide an enjoyable sound without excessive loudness

Installation and Fitment:

• Direct bolt-on replacement for the factory axle-back section
• Uses existing factory brackets and hangers for OEM-quality fitment
• No modifications required for installation
• Includes all necessary hardware and gaskets

This Dinan exhaust system represents the perfect balance of performance, sound, and quality for BMW 335i and 335xi owners seeking to elevate their driving experience with a proven aftermarket upgrade.