Dinan Free Flow Axle-Back Exhaust for BMW | F0X | 750i (w/o Tips) | D660-0037

ON SALE $2,500.00


Part# D660-0037

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Dinan's Free Flow Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone when desired. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. A vacuum controlled butterfly valve is utilized to improve flow at wide open throttle while keeping things civilized and "drone" free throughout. The design reduces overall weight as well and ships without tips so that it may attach to the stock tips giving a stock look.

Note: Fits all 750 models with both M-Technic and Standard bumpers.


  • Max gain of +11 HP
  • Uses the factory brackets and hangers for a factory-like fitment
  • Weight Savings
  • Dinan's Tuned Resonance Chamber Technology
  • 100% 304 stainless steel construction
  • Vacuum controlled butterfly valve

Installation Instructions: Dinan F0X 750i Axle-Back Exhaust D660-0038 Instructions


  • F01 / F02 BMW 750i / 750Li / Alpina B7 - N63 4.4L

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

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