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      04-15-2018, 12:28 AM   #19
m5james
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Drives: '10 X5M Alpine White on Sakhir
Join Date: Aug 2015
Location: Marysville, WA

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Changing from gutted stock cats to aftermarket wrapped cats changed the sound of the exhaust? I've got mine apart at the moment to make the same changes.

You have part numbers for the cooler thermostat?
Appreciate 0