M4 Kawasaki Ninja EX400 Full Race Exhaust System 2018/2020

$749.00 $674.10

With this system there is a weight savings of 5.9 lbs, (Stock System 13.15 lbs.)

Available on backorder

SP400-M4 Full system.

Kawasaki Ninja 400 Full Exhaust System takes the performance of the 400 to the next level.With this system there is a weight savings of 5.9 lbs, (Stock System 13.15 lbs.) vs. (M4 Full System 7.25 lbs.) which helps to lower the already light weight a bit. To mount the canister M4 includes a carbon strap and a race mount bracket with this system if you would like to remove the rear passenger pegs, installation of this bracket is optional if you prefer to keep the passenger pegs on the bike.


 X-96 Carbon Fiber Canister
Saves 5lbs over stock
Comes with race bracket and rear brake reservoir relocation bracket
Comes with M18 02 bung for use of aftermarket fuel controllers
Stock db is 87 @ 6,000 rpm / M4 db is 99 @ 6,000 rpm
10% increase in performance


Important Emissions Notice to Customers in California

The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle’s pollution control devices or systems, unless the aftermarket part has first been exempted from the state’s anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles which may never be used, or registered or Licensed for use, upon a highway. Any California Residents who order this M4 Exhaust from Spears Enterprises/Spears Racing LLC agree they are doing so with the intention of using it on a closed course as outlined within the California Notice


Weight 12.0 lbs


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