This is a GPR exhaust to suit Yamaha Yz 450 Fx 2016-2018, Pentacross FULL Titanium, Racing full system exhaust, including removable db killer/spark arrestor Full system including removable db killer/spark arrestorThis is a GPR's FULL TITANIUM complete racing system for track use developed in collaboration with the best MXGP teams. The kit consists of a manifold with Ultrabomb expansion and new Pentacross silencers. The manifold and silencers are titanium made, this system produces an average performance increase of 2cv.

• Sound: upgraded sound from stock exhaust
  
• Performance: upgraded performance from stock exhaust
  
• Quality: italian made with high-grade welding
  
• Weight: significant reduction in weight
  
• Performance: average performance increase of 2 cv
  
• Performance: average performance increase of 2 cv

  installation instructions (pdf)

  all gpr exhausts are made to order in italy and take roughly 2-3 weeks, depending on the exhaust. after placing your order with us, it will be immediately sent to gpr for production.

Click here for fitting instructions (PDF)

All GPR exhausts are made to order in Italy and take roughly 2–3 weeks, depending on the exhaust. After placing your order with us, it will be immediately sent to GPR for production.