Cooper Pipes have been completely re-designed inside.
Testing has confirmed increases in both Torque and RPM.

These items below are for the Zenoiah 23 - 27cc Engines

• Tuned Quiet Pipe
  New for 2007 the Cooper QHP gas pipe.
  Includes: Pipe, Mounting-Clamp, O-Rings & Water-Fittings.
  Price: $112.95
  
  
• Engine Manifold
  Price: $37.40
  
  
• Water Cooled Coupler
  Price: $17.00
  
  
• 90-Degree Pipe Header for Pipe above
  Price: $34.00
  
  
• 100-Degree Pipe Header for Pipe above
  Price: $34.00
  
  
• 105-Degree Pipe Header for Pipe above
  Price: $34.00
  
  
• RTC Tuned Quiet Pipe
  (RTC = Right-To-Center)
  Price: $101.95
  
  
• RTC Pipe-Header for RTC Pipe above
  Price: $36.00
  
  
• Cooper's GAS Add-on Muffler's
  Fits Cooper pipes, but a slotted version is available for others.
  (Add $1.00 for "Slotted Add-on" with Clamp)
  
  
• Item# Gas500 - For Gas Pipes with .500 inlet x 1.5" diameter.
  Price: $34.50



• Item# Gas555 - For Gas Pipes with .555 inlet x 1.5" diameter.
  Price: $34.50



• Item# Gas562 - For Gas Pipes with .562 inlet x 2.0" diameter.
  Price: $34.50