With this connecting pipe you can continue to use the original manifold.
The original one can be used as an exhaust or the Slip-On series from Arrow (71829)

For perfect performance, throttle response and durability, reprogramming the ECU is recommended.
 
Characteristics
Race use only!
Manifold material: stainless steel
Connection diameter (outlet): 55mm
Connection diameter (inlet): 53mm
Weight: 1.43kg
 
Item number :
71630MI