Spark Exhaust Kawasaki Ninja ZX-4RR "Grid-O" Full Exhaust System. This ZX-4RR full exhaust system has a short style titanium silencer, catalyst eliminating stainless mid-pipe and stainless racing header. Designed to maximize performance as noted by the extensively designed off the dyno 4-2-1 stainless manifold with 350mm diameter and tapers perfectly tuned for maximum output. Handcrafted in Italy, approximate weight 7.9 lbs (3.6 kg), sound level 115 db. (vs. stock @ 94.9 db). For perfect performance, throttle response and durability, ECU remapping is required. Option hangar to chassis for race use and included mount kit to keep the passenger footpegs. *DB Killer insert not available.
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.
