Arrow exhaust baffle removal -
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post #1 of 2 (permalink) Old 07-06-2018, 02:38 AM Thread Starter
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Arrow exhaust baffle removal

Hi I just fitted a set of twin can Arrow slip ons to my 2009 1078 F4, with the baffles/dB killers in the sound is slightly different to the stock ones, with the baffles out it does sound throaty and more like I wanted. My question is whether the ECU should be remapped with baffles out of a slip on system or whether the engine and lower exhaust being unchanged is fine? I think it should be OK, but interested in views.

UK based
MV F4 1078 312RR, 2009
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post #2 of 2 (permalink) Old 07-06-2018, 08:44 AM
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Do you have a dyno in your area?

That is the way to go to make sure everything is good and you don't need a tune. Plus most just to get a reading of air/fuel don't charge that much.
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