GFBV D660-4604 Dinan Free Flow Axle-Back Exhaust - 2001-2006 BMW M3 - Fits 2001-2006 BMW M3

Stainless Steel - Black Tips - E46If you've been searching for a truly high-performance Axle-Back exhaust for your M3 look no further. Dinan's unique muffler design effectively reduces back-pressure for improved flow, resulting in measurable power gains. Manufactured from 304 stainless steel inside and out for superior resistance to corrosion as well as a significant reduction of weight. And from those aggressive-looking ceramic-coated tips flows an exhaust note that will be music to the driving enthusiast's ears.; The Dinan exhaust delivers exactly what the M3 owner demands in a performance muffler; increased power, reduced weight, a look that means business and the throaty exhaust note you'd expect from an M3.Features and Benefits: 100% 304 stainless steel construction; 15 lbs. lighter than stock (43 lbs. vs. 58 lbs.); Drone abatement technologies used to reduce cabin resonance; Enjoyably louder, sportier sound; More Power: + 7 HP @ 8000 RPM + 5 LB-FT @ 5000 RPM (w/ software); Quad 3" black ceramic coated and laser engraved exhaust tips; Uses the factory brackets and hangers for a factory-like fitmentStage 2 Engine Software recommended for optimum performance and drivability.DIN ESK