Dinan Free Flow Axle-Back Exhaust for BMW | E70 | X5M | D660-0035-BLK

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Part# D660-0035-BLK

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Dinan’s Free Flow exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum back pressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle. The exhaust gasses exit through larger laser engraved polished or black ceramic quad tips.


  • +8 HP @ 6000 RPM, +7 lb.ft @ 6000 RPM
  • Uses the factory brackets and hangers for a factory-like fitment
  • Weight Savings
  • Dinan's Tuned Resonance Chamber Technology providing little to no drone
  • 100% 304 stainless steel construction
  • Quad 3.5" laser engraved polished stainless steel or black ceramic exhaust tips

Installation Instructions: Dinan E70 X5M Axle-Back Exhaust D660-0035 Instructions


  • E70 BMW X5M - S63 4.4L

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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