Tecnigas Silent Pro Exhaust for Retro Style QMB139 50cc Scooters

Tecnigas Silent Pro Exhaust for QMB139 50cc 4-Stroke Scooters.

The Tecnigas Silent Pro exhaust improves torque over the stock exhaust, all while being quiet and maintaining a subtle look. Works on retro styled scooters with lower body panels.

• Head Pipe Bolt Hole Spacing: 50mm
• Head Pipe Inner Diameter: 18.5mm 
• Includes Mounting Hardware and Instructional Booklet