Torque Cones ou Venturis de couple d'échappement. Il s'agit d'un systéme anti-reversion en inox, pour pots de 1 3/4". Pour moteurs Evolution BigTwin et Sportsters. La Paire.

9155 Most 1-3/4" O.D. Twin Cam, Evolution Big Twin and XL Exhaust Systems

Straight pipes sound sweet, but for street use they're a performance disaster! Here's an inexpensive way to get back some of that lost horsepower and gas mileage without affecting the sound.