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DIY: M Performance exhaust
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02-17-2018, 01:33 AM
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18EM2
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Drives: 2018 M2 DCT LBB
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Is the bulge near the top a secondary resonator?
Looks like when the MPE valves are open some exhaust can still flow through the resonator. Is that for drone suppression? Does MPE drone?
Appreciate
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