Amazon.com: Coffman's Shorty Slip-On Exhaust for Kawasaki Ninja 400 Z400 2018-2020 Sportbike with Black Tip: Automotive
KAWASAKI NINJA 400 Full exhaust ARROW WORKS RC EVO CC 2018-2019 | eBay
Devil Exhaust Systems Singapore Kawasaki Ninja 400 ! Ready Stock ! Promo ! Do Not PM ! Kindly Call Us ! Kindly Follow Us !, Motorcycles, Motorcycle Accessories on Carousell
Yoshimura Ninja 400/ Z400 ALPHA T Stainless Exhaust w/ Stainless Muffler – Yoshimura R&D of America, Inc
CR-T Muffler - KAWASAKI NINJA 400 (2018 - 2020)
Kawasaki Ninja 400 Slip-On System | twobros.com – Two Brothers Racing