Kawasaki Ninja EX400 Exhaust Comparison

2018 Kawasaki Ninja EX400 This is a Completely stock 400cc off of the show room floor compared the same motorcycle with a Spears Racing Spec Kawasaki 400cc Supersport Build and this is dyno’d on 89 Octane pump fuel

Kawasaki Ninja EX400 Exhaust Comparison we wanted to put a list of the exhaust systems we have tried in an over lay so you can see what we got out of each system.

Bike is a 2018 Kawasaki Ninja EX400 This is a Completely stock 400cc off of the show room floor ,this was run with the bike as delivered. The same motorcycle was used to do all of the runs, this was done with the consistency,air intake temperature 89 Octane pump fuel, and the tire pressure was set at 30PSI.

 

The dyno is a DynoJET 250……

Exhaust systems Dyno’d we all purchased for this test, no system was give to Spears Racing for testing, this way the results would not be altered in anyone’s Mind.

Systems Tested

akaropovic Green in Color

M4 in Red

Spark Blue

OEM Light Blue

 

 

 

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