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Special Note: Not applicable for wagon or cars equipped with rear M-Tech bumper.
Dinan's Free Flow Exhaust for the 525 provides increased flow for 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 which provides the optimum balance between maximum power gains and a civilized, yet sporty exhaust note.
- The Dinan exhaust also provides substantial weight reduction compared to the stock muffler, weighing in at 18.5 lbs. compared to the stock system at 23.5 lbs. Dual 3 inch diameter polished stainless steel exhaust tips give the cars a tasteful performance look as well.
*Dyno results for the combination of Stage 2 Engine Software, Cold Air Intake and Free Flow Exhaust.
Models Supported by Dinan Free Flow Exhaust for BMW 525i E39 Sedan non M-Tech
- 525i & Sport Wagon E39 2001-2003
DOWNLOAD INSTALLATION INSTRUCTION HERE
|Labor Hours/Installation Hours
||50 State Emissions Legal
|Max HP Gain
||4 @ 6500 rpm
|Max Torque Gain
||3 lb/ft @ 6500 rpm
||197 @ 6000 rpm*
||182 lb/ft @ 3500 rpm*
||Included Item Details