GY6 50cc (139QMB) Carbon Fiber Crossover Exhaust System
ITEM# TT-16543
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Description
Performance Exhaust for GY6 50cc Engines
The GY6 50cc (139QMB) Carbon Fiber Crossover Exhaust System is a performance replacement built for 4-stroke 50cc engines. It is intended to raise top-end output, so it suits riders who want more from their scooter. It is one of the GY6 50cc scooter parts that can offer noticeable gains over the stock exhaust. Its sleek carbon fiber silencer also gives the scooter a stylish look.
Crossover Pipe Design
The exhaust uses a crossover pipe layout aimed at better top-end performance, so it works for both racing and off-road riding. The design helps exhaust gases flow more smoothly, which can support quicker acceleration and higher speed. For the best results, removing the manifold restrictor is advised, since this lets the engine breathe more easily.
Construction and Maintenance
The silencer is made from genuine carbon fiber with a sleek black finish, offering both a clean appearance and reduced weight. The silencer can also be removed, which makes cleaning and tuning changes simpler. Note that mounting bolts are not supplied with the exhaust system.
Specifications
- Material: Carbon fiber
- Size: Head Pipe Inner Diameter: 20mm
- Position: Crossover exhaust system
- Color: Black
- Fits: QMB139 4-stroke 50cc engine (49cc/50cc, horizontal)
Fitment
Fits:
- QMB139 4-stroke 50cc engine (49cc/50cc, horizontal type)
How to choose: Confirm the engine code QMB139 and a 50mm head pipe bolt hole spacing, with a 20mm head pipe inner diameter.
Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Exhausts & Mufflers · Scooter Parts
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