This is the Spark 2017-2020 Aprilia RSV4 1000 RR/RF 1100/Factory Grid-O Semi-Full Exhaust System. A valve simulator is included in the box to simulate the presence of the original valve which is eliminated. Spark valve simulator prevents the error light from switching on. Incredible weight saving (weighs only 3.8 kg). Sound is aggressive but not extreme so that it is perfect both for track and road. Designed for Maximum Performance, Looks, Weight Savings and a Rich Deep Sound (108 db) only possible through the Passionate Way of Italian Work. Handcrafted in Italy, Dyno Tested for maximum horsepower increase over stock. Includes removable sound reducing DB Killer. Non-Homologated Racing Version for Maximum Performance. For perfect performance, throttle response and durability, ECU remapping is recommended.
( NOT COMPATIBLE WITH PASSENGER FOOTREST. )
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