Akrapovic Evolution Exhaust System for 2015 20 Aprilia models S A10E8 RC 2012 Honda TRX90 Sportrax 1976 Yamaha DT400 1976 Yamaha DT400 Part Number: 19 764 Used and tested by top factory teams in racing Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Akrapovic Evolution Line Exhaust System Part Number S A10E8 RC Fitment Type Unit Sale Qty Kit Style Hexagonal Material Titanium Color Size Finish Titanium Muffler Sleeve Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration 4 into 1 Single Muffler Exhaust System Muffler Size Muffler End Tip Style Carbon Fiber End Cap Windshield Height Windshield Width Handlebar Diameter California Emissions TRUE Product Disclaimer