M4 Full Exhaust System

• Full Systems: for the ultimate in performance, complete tuned stainless steel systems include all mounting styles and materials available shown.
• Bolt On/ Slip Ons: These systems utilize the stock header assembly. Bolt on and slip ons replace the stock restricted mufler resulting in better sound and an increase in power. Optional mounting styles and materials are shown.
• Headpipe/Collector Assembly: Full systems include tapered and equal length headpipes with true high-flow merge collectors.
• Midpipe: Careful design of the midpipe is necessary to give exhaust gasses optimum flow and improved power characteristics.
• Silencer: M4 silencers look as good as they perform. Polished aluminum, titanium or carbon fiber silencers are offered to suit your style.

Sportbike Silencer

• 18.0" in Length.
• Oval Silencer Design, Polished Aluminum, Carbon Fiber or Titanium sleeves.
• Stainless Steel End Caps (Polished).
• Stainless Steel Silencer Core.
• Systems are Hand Crafted and Welded.
• Hi-Tech Continuous Roving Packing Material.
• System comes with spigots, flanges, springs and mounting instructions.
• Bolt On and Slip On Silencers Available. (S/O tube Stainless or Titanium).
• Stock Muffler 8 Pounds - M4 Bolt-On Unit 6 Pounds.

Sportbike Full System

• Stock Full Systems 18 Pounds.
• M4 Stainless Full System 12 Pounds.
• M4 Titanium Full System 8.5 Pounds.

Sportbike Slip-on

• Available in Standard or High Sport.
• Stainless or Titanium slip-on tube.
• Aluminum, Carbon or Titanium Silencer Sleeve..
• All mounting hardware provided.