Put this on a stock QT50 and instantly gained about 5mph. I painted the heat shield to match the body color for a factory look. Just a little louder than stock but no complaints. Fits perfect. Get the crush gasket as suggested.
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Great but paint flaking after 2 weeks
February 20, 2024
taco eater :
mix gas eat ass from gulfport, FL United States
Great sound, definitely louder than stock. Breathes better and all around much better than stock pipe. Gasket is a must. My only issue is the paint started showing tiny circles and then flaked off near the port with only a few rides and testing jets. Not a huge deal, its a sexy pipe and what other options do i really have. A bit annoying to have to repaint a brand new pipe but whatever trevor, shes tootin' along.
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2 taco eaters like this review
October 8, 2023
taco eater :
J
sounds like a two stroke, has torque like a two stroke and smells like a two stroke.
louder than youd expect as well
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Next Level goodness
November 10, 2022
taco eater :
Adam Rogers from versailles, KY United States
have had this on my 80' QT50 with other mods, thicker base gasket opening exhaust flow up, Tm24 carb and matching intake manifold, carbon fiber reed in the reed valve, the molossi kit of course, and with this pipe I can put speedometer needle at the 6' o clock position. however fast that is. and it is faster than it should be by any means. great exhaust in my opinion. not much low end loss, and hella take off when it the exhaust kicks in proper like.
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Nice
July 13, 2019
taco eater :
Pavel
- True-to-stock look, doesn't look tacky like other aftermarket pipes - Surprisingly quiet, maybe a bit louder than the stock pipe but it won't annoy your neighbors - Much better flow than the stock for sure
So yeah definitely get this if you want a little speed boost
Gained some top speed 
Great but paint flaking after 2 weeks