GPR Exhaust System Ducati Diavel 1198 2017/19 e4 Racing slip-on exhaust M3 Titanium Natural Derbi - Gp1 250 Racing i.e. 2008/12 (2008-2012) removing the exhaust valve will

removing the exhaust valve will leave you with the dreaded FI light

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Due to emission and noise control regulations secondary throttle valves appeared in motorcycles in the last decade

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GPR Exhaust System Ducati Diavel 1198 2017/19 e4 Racing slip-on exhaust M3 Titanium Natural Derbi - Gp1 250 Racing i.e. 2008/12 (2008-2012) removing the exhaust valve willGPR Exhaust System Ducati Diavel 1198 2017 19 e4 Racing slip on exhaust M3 Titanium Natural Racing slip on exhaust For installation, no structural modifications to the motorcycle are required for use of the product in an approved version. It is recommended to read the instructions in the package or the tutorials visible on www. gpr. it and on youtube. For on line purchases it is necessary to activate the warranty by sending the special coupon stamped