null
The STG Difference Free Domestic Shipping For Orders Over $99 Hassle Free Returns No Restocking Fees Price Match Guarantee Customer Rewards, Earn STG Cash

M4 Kawasaki Z900 17-24 Universal Header Kit

Click to see 2 more pictures
$651.00 $618.00
(You save $33.00)
STG SKU:
M|M4 KA9000|0

Customer Service

  • 888.784.4327
  • Monday-Friday
  • 10am to 6pm EST
  • Saturday
  • Closed
  • Free Domestic Shipping for Orders over $99Any domestic order (lower 48 United States) over $99.00 ships for free! If your item isn't over $99 but your total cart value is, you'll qualify for free shipping as well! For more information on our Shipping Policies, click here.
  • Hassle Free Returns No Restocking FeesHere at STG we want any return or exchange to be quick and pain-free. You can contact anyone here to expedite your return or exchange and we'll make sure it's handled ASAP. For more information on our policies, click here.
  • Price Match GuaranteeFind a better price? If you have we will match it! Call us at 888.784.4327 or submit a request here and our team will make it happen. *Some exclusions may apply.

Frequently Bought Together

Please choose Options for all selected Products

  • Choose Options

New from M4 Performance Exhaust is a universal header kit for the Z900. The 304 stainless steel system features equal length headpipes and a true high flow merge collector. The system will fit any aftermarket slip-on or even the stock muffler. Using the M4 header saves you 10lbs and produces 5+ horsepower over the stock pipe.

  • High Quality 304 Stainless Steel
  • M4 Header Kit Weighs 7.8 lbs
  • Stock Header 18 lbs (Stock Full Pipe 26.1 lbs)
  • 5.6 HP Increase Over Stock Header
  • Comes With Optional Bracket To Utilize The Stock Heat Shield

Emissions Notice to Customers in California

Emissions Notice to Customers in California

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 Sportbike Track Gear llc agree they are doing so with the intention of using it on a closed course as outlined within the California Notice.