this is Hi-performance exhaust for GY6 50cc 10" & 12" wheel model
and China made 139QMB 10" & 12" wheel model.
it's made by steel and chrome
easy install just bolt on
this racing exhaust develope over 10 months in Taiwan
the test result from DynoJet horse power tester
will gain about 1.2hp
(from stock engine and CVT system)
this scooter is only change this racing exhaust.
this exhaust maker is famous company
also OEM for Japan & Germany famouse scooter performance parts company.
this exhaust not like others just make loud and noise.
it's really make performance
if you install with 82cc cylinder kit and complete racing CVT clutch kit
you will need this performance exhaust pipe.
our high quality scooter tuning parts
will help you get back more horse power.
premium quality parts from Taiwan
not cheap poor quality from China
(Taiwan not a provence of China)