Exhaust System / Muffler for GY6 50cc Scooter – BLUE

Introduction

Performance GY650cc Scooter Exhaust System

BLUE

This exhaust is known to fit many QMB139 50cc scooters. In some cases this exhaust system may not just bolt on. Some modifications to inlet pipe bracket may be required. Please verify the measurements before purchasing this exhaust. May fit other makes and models.

Exhaust details:

• Muffler length: 35.5cm (14.0 in) including exhaust tip.
• Muffler diameter: 90mm (3.5 in)
• Muffler has replaceable screw in silencer plug.
• 6 mounting holes to mount pipe to muffler. You will only use 3 bolts, but the 6 holes allow you to position the outlet pipe.
• Inlet pipe is 22 inches long with 4 bends. 1st bend is 4.5 inches from manifold, 2nd bend is another 4.0 inches. A 6.0 inch run to the 3rd bend and another 6.0 inch to the muffler attachment.
• Pipe OD: 25mm (1.0 in)
• Pipe ID: 22.5mm (0.88 in)
• Pipe mounting to manifold: 50mm (2.0 in)
• To brackets on pipe as pictured
• Kit contains muffler mounting bracket.
• Kit contains muffler mounting bracket insulator.
• Kit contains exhaust pipe gasket (2.5 inch round, 3-hole).
• (4) bolts, (4) washers, (1) lock washer and (1) nut.

Available in several colors. This listing is for the BLUE one.

We don’t get any exhaust assemblies that are cosmetically perfect. They all have a few Dings and Scratches on them from their overseas journey. If you need a perfect one, better to buy somewhere else.