GPR YamahaYZ 450 F 2014/2017 PENTACROSS INOX FS

Complete RACING system for track use made in respect to FIM homologation limits, the kit consists of manifold with ULTRABOMB expansion and new PENTACROSS silencers line. Manifold and silencers are made of 304 stainless steel, average performance increase of 2cv, significant reduction in weight, developed thanks to the collaboration with the MXGP team
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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 by the installation workshop via email to certificato@gpr.it, for purchases at physical stores the shop stamp is sufficient. The exhaust has a removable db killer (noise restrictor) for racing use, remove the db killer is not ONLY illegal, but the customer assumes the responsibility to use the motorbike as on the circuits only, without bags, without flash light and number plate holder or other parts that would conflict with the different angle of the gas following the transformation into the racing version. Abuse of this situation on the road will result in the loss of the product warranty and any refund request will be rejected. The warranty is two years from the purchase, with right of reparation with devolution to GPR factory or nearest official distributor at client expenses.
GPR cannot provide a new silencer instead of the one to repair, the client has to accept to remount the original exhaust or wait the standard time for the reparation.