Spark Exhaust Technology Triumph Street Triple 765 RS "Grid-O" Slip-On Exhaust with Euro4 box. The kit includes a winding link tube from the emissions box for a distinctive style, and race performance. Spark R&D has worked intensively on the new 3-cylinder engine by Triumph which will be the protagonist of 2019 Moto2. The experience gained on the racetrack allowed for the optimization of collectors' diameters and lenght of the english naked motorbike so as to get the top performance. The silenced E4 box to ensure deep sound but pleasant during travels, in full compliance with Euro4 Regulations. The titanium Grid-O silencer has been specifically designed for the World Superbike and Moto2 Teams. The Spark Exhaust system does not remove the catalyst. Handcrafted in Italy. Ultra lightweight approximately 2.7kg.Â Dyno Tested for maximum horsepower increase over stock, 97-100 db.Â Â Â Â Warning: neither Spark, Vecchi SRL, or MOTO-D make any representation that the products comply with the air and/or noise emissions laws, or labeling laws, of any jurisdiction. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws. Emissions Warning / USA: Various U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and systems, especially as those parts and systems modify, remove, or replace original equipment catalysts. Please consult the appropriate laws in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. Neither Spark, Vecchi SRL, or MOTO-D or the sellers of the parts or systems make any representation that any of their parts or systems comply with any such laws. Warning / California: California laws prohibit the use of any aftermarket exhaust part or system that modifies, removes or replaces original equipment catalysts unless the California Air Resources Board has issued an Executive Order regarding such part or system or unless the part or system is exempted by being used only on racing vehicles on closed courses. Neither Spark, Vecchi SRL, or MOTO-D make any representation that any of their parts or systems has received such an Executive Order or that any of their parts or systems conform with the racing vehicles exemption. The purchasers are entirely responsible for informing themselves of applicable California laws and to comply with those laws.