NEW ANTI REVERSION TORQUE CONES 4 HARLEY EVO TC88 1984-UP #95117

ANTI REVERSION TORQUE CONES

• FOR BOTH HARLEY EVO TWIN CAM MODELS 1984-UP 
• Ultra-smooth finish for maximum exhaust flow easily install by dropping into the head of exhaust pipe 
• Will fit Evolution, Twin Cam 88 engine, Big Twin, or Sportster 
• These will stop any back-flowing air from entering the engine which causes popping
• These Are Needed On Straight Pipes to Increase Low End Torque
• Helps Eliminate Flat Spots & Increases Back Pressure
• A MUST WHEN RUNNING DRAG PIPES!!!
• V-FACTOR
• Steel Exhaust Torque Cones (Pair)
• Fits all Evolution models, all years & Twin Cam 1999/Later