Spark Kawasaki Ninja ZX-4R/RR Stainless Full Exhaust System

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.