D660-0028 – Dinan Free Flow Exhaust for BMW M3 E90 Sedan 2008-2011

Part Number: D660-0028 Category:

$1,799.95

Note: This fits the M3 Sedan only.

If you’ve been searching for a truly high performance rear muffler for your M3, look no further.

  • Single channel design
  • Sportier Sound
  • 10lbs lighter than stock part 100% 304 stainless steel construction
  • Simple installation using high quality BMW OEM clamps and hangers
  • Quad 3" laser engraved exhaust tips with Dinan logo
  • 6 HP and 5 lb-ft of torque
  • "Straight Through" canister design
  • Helmholtz chamber to remove drone

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Additional Information

Dinan is the most advanced research company in the BMW aftermarket. Winning back-to-back-to-back Rolex Series Daytona Prototype racing championships in 2010, 2011 & 2012 along with the top two podium spots in 2011 and winning in 2013 the grueling 24 Hours of Daytona as the engine supplier to Chip Ganassi Racing. You can rest assured that you are purchasing the most leading edge technology on the market. Who else do you want to tune your BMW, if not the company that beats the competition in power and durability in the most competitive road racing circuit in the US?

What you can expect from Dinan is the most technologically advanced exhaust on the market. The problem with most performance type exhaust systems is they compromise both flow and sound quality to try and achieve a balance between the two. Dinan’s Free Flow Exhaust employs leading edge technology to solve this problem with advanced features not found in most aftermarket high performance exhaust systems, including a Helmholtz chamber and single channel absorption increases flow while reducing unwanted noise and weight.

The Helmholtz chamber is a resonance cavity that reduces the drone that most high performance exhausts have at light throttle cruise. In addition Dinan has a straight through single pipe design to further reduce noise at light throttle cruise so that it is a civilized exhaust that you can live with everyday.

The single channel dual exhaust is the most powerful and lightest weight stainless steel exhaust on the market (Read white paper on E90 M3 exhaust). The Dinan Free Flow Exhaust is a sporty sounding exhaust at wide open throttle when you want it but also quite and civilized when you are at light throttle cruise. This is consistent with Dinan’s core philosophy of “Performance Without Sacrifice”. One of the reasons you purchased your BMW is because of its level of refinement. You won t ruin the refined characteristics of your BMW when you use Dinan performance products. This level of development takes time and is the reason Dinan is usually not the first company on the market but you will find it is worth the wait.

Durability is also a primary concern at Dinan. Built from 100% 20 gauge-304 stainless steel to resist corrosion and backed by a 4 year/50,000 mile warranty new car factory matching warranty, the most comprehensive warranty in the business and double that of our competitors warranty (see Dinan Warranty Statement).

The design features quad 3.5″ ceramic black tips for a tasteful high performance look.

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Emissions

  • Emission Code: 5
  • E.O. Status: Part does not affect Vehicle Emissions
  • E.O. Number:

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