Dinan D660-0006 Stainless ExhaustDinan's Free Flow Exhaust for 550i models provides improved flow over the stock system without the excessive noise and ''boominess'' associated with typical after market mufflers. The system is manufactured using 100% 20 gauge 304 stainless steel for optimum resistance to corrosion. In addition, the muffler is lighter than the stock unit. Internally, the systems feature Dinan's Tuned Resonance Chamber Technology, providing the optimum balance between
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols