GY6 50cc (139QMB) Performance Exhaust - Stainless Steel

Performance Exhaust for GY6 50cc Scooters

This stainless steel performance exhaust is made to boost the output of a range of 50cc scooters running the GY6 engine. It suits models fitted with the 139QMB engine, so it is a solid pick for riders who want more performance. It is one of the main GY6 50cc scooter parts to look at if you want better exhaust flow and overall output. Note that this product is intended for off-road use only.

Build and Layout

The exhaust is constructed from stainless steel so it can handle the stress of performance riding. It measures 20 inches long, 11 inches wide, and 6 inches tall. That sizing supports durability and helps the exhaust system work more efficiently overall.

Fitting Information

Installation steps are not covered here. This exhaust is meant to swap in directly for the factory unit. Check that your engine matches the listed engine codes before buying to prevent fit problems. Riders wanting a performance upgrade will find this part suited to racing use.

Specifications

• Material: Stainless Steel
• Size: 20" L x 11" W x 6" H
• Fits: GY6 50cc 139QMB engine scooters, including CSC Go, CSC Go Max, Bella Classic, Nitro Sport and Pug 50

Compatible Models

Fits:

• GY6 50cc (139QMB) engine
• CSC Go
• CSC Go Max
• CSC Bella Classic 50
• CSC Nitro Sport 50
• CSC Pug 50
• 139QMB-based 50cc and 80cc engines with codes 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD and other QMA/QMB variants

How to choose: Find your engine code and match it to a 139QMB-based 50cc or 80cc engine, such as 139QMB or 139QMA. Vintage-style GY6 50cc scooters like the TNG Milano or Fly Il Bello do not fit.

Where it goes: part #4 on the muffler assy diagram for the GY6 50cc (139QMB), CSC Go; part #4 on the muffler assy diagram for the CSC Go Max.

Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Exhausts & Mufflers · Scooter Parts