Description
APPLIED MODELS:
2004 – 2005 BMW 645Ci Convertible
2004 – 2005 BMW 645Ci Coupe
Dinan’s Free Flow Exhaust for 645 models provides improved flow and the resulting power gains without the excessive noise and ”boominess” associated with typical after-market mufflers. The mufflers feature ridged and durable cases, manufactured from 100% 20 gauge-304 stainless steel inside and out 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. 3.5 inch diameter polished stainless tips give the cars a tasteful performance look as well.
*Dyno results for the combination of the High Flow Intake System, Stage 2 Engine Software and Free Flow Exhaust.
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