Spark Exhaust Technology KTM 890 / 790 Duke "Double Grid-O" Semi-Full Exhaust System. For the medium-sized bike from Mattighofen, Spark has attentively worked on several aspects so as to offer a unique product to enhance the agility and power of the Austrian twin-cylinder so fast and precise through curves and also to meet customers’ needs in terms of design and style. The extreme look strikes at first sight: Spark stands out by displaying a high-mounting double exhaust with right side and left side Grid-O silencers. The Grid-O full titanium silencers are the result of Spark R&D’s endless and meticulous work that has been directly carried out on WSBK and Moto2 World Championship race tracks. Special materials such as titanium, state-of-the-art technologies such as 3D laser cutting for production and TIG welding make Grid-O exhaust a veritable concentrate of technology in just 600 grams for each silencer. Sound is deep and aggressive thanks to the removable dB killer. Spark exhaust solution is characterized by the uniqueness of its look enhancing the Duke’s racing spirit. The Grid-O slip-on connects to the catalyzed original collector by stainless steel pipes. Diameters have been studied and tested so as to increase performance of about 2 hp compared to the standard exhaust. Handcrafted in Italy, Approximately 3.0kg, Dyno Tested for maximum horsepower increase over stock, 96 db. Non-Homologated Racing Version for Maximum Performance.
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.
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