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  1. Exhaust Accessories (11)
  2. Exhaust Manifolds, Parts (9)
  3. Exhaust Systems (7)
  4. Muffler Kits, Assemblies (6)
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  • $0 $1537

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  1. GPL
  2. ROTAX
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Exhaust Systems, Muffler Kits

ROTAX® provides three exhaust systems for each of their engines: Side, Eipper and Straight. All of these systems provide equal power and tune the engine the same.
• Remember, this is a pulse-tuned exhaust. The overall distance from the exhaust port to the muffler must remain the same. You can cut and reshape the muffler but the distance must remain the same because the pulse acts like an exhaust valve closing as the intake stroke is in progress.
• Each muffler releases stress at the muffler/exhaust manifold joint. This joint is held together with heavy-duty springs that attach to welded hooks. Use safety wire (P/N F4100) and a bead of high temperature silicon (P/N H4387) to prevent a broken spring from going through the propeller.
• Modifying the manifolds with immediate 90º bends may reduce horsepower.
• Exhaust systems should be welded with TIG or gas weld with pre-heat & post-heat procedures.