Revolution exhaust system
#1
Does anyone have a Revolution exhaust and dp? if so has it made much difference?
They are claiming 30-40 bhp increase "probably the most powerfull system on the market"!!!!!
They are claiming 30-40 bhp increase "probably the most powerfull system on the market"!!!!!
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fatboy_coach
General Technical
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18 June 2016 03:48 PM