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 |  SKU: D660-3940

Dinan Free Flow Axle-Back Exhaust

BMW 540i E39 97-03
$1,849.95
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Description

Dinan's Free Flow Axle-Back Exhaust for the 540i provides power gains without the excessive noise associated with typical ''performance'' mufflers. The Dinan exhausts feature rigid and durable muffler cases manufactured from 20 gauge 304 stainless steel for optimum corrosion resistance. Internally, the systems feature Dinan's Tuned Resonance Chamber Technology providing the optimum balance between maximum power gains and a civilized, yet sporty exhaust note. The Dinan exhausts also provide substantial weight reduction compared to the stock mufflers. The mufflers weigh in at 18.5 lbs. compared to the stock systems at 34 lbs. Dual 3-inch diameter polished stainless steel exhaust tips give the cars a tasteful performance look as well.

Features and Benefits

  • More Power: + 7 HP @ 6500 RPM + 6 LB-FT @ 6500 RPM (w/ software)
  • Drone abatement technologies used to reduce cabin resonance
  • Enjoyably louder, sportier sound
  • Dual 3" polished and laser engraved exhaust tips
  • Over 15 lbs. lighter than stock (18.5 lbs. vs. 34 lbs.)
  • 100% 304 stainless steel construction
  • Uses the factory brackets and hangers for a factory-like fitment

Technical Specifications

  • Material: 304 Stainless Steel
  • Max HP Gain: 7 @ 6500 RPM
  • Max Torque (lb-ft) Gain: 6 @ 6500 RPM
  • Sound Level: Aggressive / Moderate
  • System Type: Axle-back

    • Installation Instructions

    Fitment Table

    Fitment Notes

    General Notes:

    • Not compatible with vehicles equipped with the rear M-Technic bumper.