FMF Factory 4.1 System Kawasaki KLX450

FMF Factory 4.1 System Kawasaki KLX450. The FMF Factory 4.1 System is perfect for riders and racers of all kinds. This system was made to increase power everywhere on the KLX450 and looks good in the process. Stainless Steel Powerbomb header tops off the package. Titanium Canister with Natural finish. Stainless Steel end-cap and mid-pipe. 94dB quiet insert included. Spark Arrestor Sold Seperately.