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RIVA Ultra 310 Free Flow Exhaust Kit


Improves engine performance by reducing back pressure and harmful detonation. Replaces the restrictive secondary water box located between the primary water box and hull exit on your watercraft. High quality aluminum exhaust tube will survive meltdowns & backfires. The mandrel bent tubing is powder coated to prevent corrosion. Features billet exhaust outlet with laser etched graphics that is anodized to prevent corrosion. Includes high temperature silicone couplers along with detailed installation instructions.

Key Features:
  • Delivers performance and cutting edge style.
  • Improves reliability by replacing soft rubber exhaust hoses.
  • Reduces back pressure and heat.
  • Aluminum tubing is powder coated to prevent corrosion.
  • Includes billet exhaust outlet.
  • Enables you to remove secondary muffler (weight savings of 10+lbs.)
NOTE: For use with stock muffler (water box). If using in conjunction with RIVA Pro-Series Water Box order coupler RK15-2.38/3.25 to connect Free Flow Exhaust Tube to RIVA Pro-Series Water Box.
Pricing: $289.95
Free Shipping (Continental USA Only)


  • RK16110
  • RK16110
  • RIVA Racing
  • New


Shipping Information

  • Item Requires Shipping
  • 4.2 lbs.
  • W11.0000” x H6.0000” x L21.0000”
  • Free Shipping (Continental USA Only)