M4 Exhaust stainless steel header Z900 all 2017-2025 2026 KA9000

*Does not meet emission requirements for street or highway use.

M4 Performance Exhaust 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 most aftermarket slip-on’s 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