taco eater :
John Stevens from Worcester, MA United States
Bolted right onto my LB50 with the Polini 70cc kit no probs. Though the Kickstarter rubs on the pipe but that should be ez to fix. No more 4 stroking!! With the 25T rear sprocket the powerband kicks in around 20-25mph and FLYS up to 40mph EASY!!! Worth every penny!
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Awesome.
December 16, 2019
taco eater :
Availis from Lakewood, CO United States
Love it, fits great, sounds incredible. It sticks out past my rear tire quite a bit so not gonna be taking her to 12 O'clock and scratching it up. Definitely getting more power, my 80 always did around 40mph, now it has NO problem getting to 45. Too cold and snowy right now to push it and see how fast it can go. Couldn't be happier.
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My Chappy is Happy!
February 4, 2019
taco eater :
Hunter Skiff from Boca Raton, FL United States
Pipe quality is what you'd come to expect from MLM. Strong, beefy, well built, and perfect fit. Bolted right up to my 1977 Chappy LB80 with zero modifications. Of note, YOU WILL NEED the stock exhaust flange gasket. Without it the cylinder is an air leak party! Pipe sounds super throaty and really bassy at idle. Not much louder than stock. Pipe has very strong midrange punch. Starts pulling at around 25mph and then takes off! My Chappy bone stock topped out at 42mph. With just the pipe and an upjet the bike does 54mph and still has room for more if I had a longer stretch of road to test it on (dont have tag yet hehehe). Since there isn't much information online for this pipe, I filmed a stock pipe vs MLM pipe sound and ride comparison. I will link the video here once it's online!
Edit: here’s the video! https://youtu.be/hPbNwYq4-Ao
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Better Fit On 80 but great on both!
January 30, 2017
taco eater :
Detroit Moped Works from Detroit, MI United States
We have installed this pipe on both the LB50 & LB80. Paired with a VM20 and corresponding MLM intake and stock gearing; both bikes will wheelie if not careful. This pipe is a direct fit onto the LB80. On the LB50, you will need to slightly (few MM) lengthen the rear mount hole for the header to mate perfectly. Additionally, you'll need to grind a bit of the rear mount off to wrap around the pedal shaft stuff. (You'll see when you get it). It's a 5 minute fix and will allow tons of fun! We'll report top GPS Speeds on both when it's warmer and they are final dialed in - but as of now we are very happy!
BEST upgrade to my LB50 EVER! 
