The KSE is much shorter that the stock exhaust
Click to enlarge
Click to enlarge
The chamber much thinner compare to stock exhaust chamber 
Click to enlarge
KSE Racing Exhaust for Yamaha RX-Z
Head of the exhaust is much wider than stock
Straight flow construction
Smaller/thinner chamber mean this one is for top RPM power
Nice welding, well made
Clean muffler design that looks much like the stock
Silencer provided here is loud, you can change to silent one
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Quiero saber el precio y como comprarlo me interesa mucho
El precio es US $ 100 con el envío de USD85.