Exhaust Torque Reversion Power Cones

  • Sale
  • Regular price $14.95

PART NUMBER: 7438 or 64-477 or 95117

Fits both Evolution & Twin Cam Motors including Big Twins & Sportster.

Chrome exhaust Taper Valves fit into exhaust between pipe and head to put back the low end torque which is lost when large diameter or straight pipes are used to prevent motor damage and provide some back pressure.