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Dinan

Dinan Free Flow Axle-Back Exhaust - 2000-2003 BMW M5

Stainless Steel - Polished Tips - E39

Part # D660-3950 Be the first to write a review
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Dinan's Free Flow Axle-Back Exhaust for the M5 provides improved flow and the resulting power gains without the excessive noise associated with typical aftermarket mufflers. The Dinan exhaust features a rigid and durable muffler case, manufactured from 20 gauge-304 stainless steel for optimum resistance to corrosion. 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 system also reduces weight substantially, weighing in at only 37.6 lbs. as compared to the stock system at 66 lbs. Dual 3-inch diameter polished stainless tips give the cars a tasteful performance look as well.

Features:

  • More Power: + 6 HP @ 6500 RPM + 5 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 28 lbs. lighter than stock (37.6 lbs. vs. 34 lbs.)
  • 100% 304 stainless steel construction
  • Uses the factory brackets and hangers for a factory-like fitment

About Dinan

Dinan knows European marques – quite literally – from the inside out. Whether you need hard parts such as exhaust systems or coilovers, or ECU upgrades to unlock your engine's potential, Dinan has the parts to take your BMW, Mercedes-Benz, or Mini to the next level.

Brand Dinan
Dinan Point Value3
Emission Code5
Height10
Labor Time (Hours)2
Length54
Material304 Stainless Steel
Max HP Gain6 @ 6500 RPM
Max Torque (lb-ft) Gain5 @ 6500 RPM
Peak HP402 @ 6500 RPM
Peak Torque (lb-ft)375 lb/ft @ 4500 RPM
Product TypeAxle-Back Exhaust
Sound LevelAggressive / Moderate
System TypeAxle-back
Weight60.5
Width29
UPC813725021904
Part NumberD660-3950
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Instructions for Part# D660-3950
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