Post by shotnva777 on Mar 22, 2013 21:39:14 GMT -5
I figured I'd share my lil "adventure" (or should I say project?)
HOW TO GUT YOUR 50cc GY6 MUFFLER! ;D
It's rather simple if you have access to a grinder/hacksaw/sawzaw/bandsaw, a wire wheel/wire brush/sandpaper, and a welder! Lol... I know that's "broad" but it will all work to do what needs to be done!
I used a grinder for the cutting and a dremel w/ a wire wheel to clean off the paint n metal for the welding! Simple. Had no idea what was inside of one of these mufflers, but after looming around in it.... good God, it's restricted!!! I have an open air filter and I'm rejetted, needed to open up the back end too! Plus, I'm a machinist, ABSOLUTELY HATE how quite this scooter is and like to fiddle with things! Haha...
Step 1: remove the entire muffler assembly (4 bolts on mine, INCLUDING head studs!)
Step 2: Hack off the back portion (where the "tip" is welded on) then hack to where the "spot welds" are, holding all the noise reduction crap in. (About 1/3rd of the muffler)
Step 3: cut the "header pipe" off of the muffler (the inlet side) All of that stuff in there was attached to that, so it was necessary in my case. I'm assuming in others it would be too!
Step 4: get rid of everything inside that thing...
Step 5: THIS, is all you should be left with!!!
As you can see, in this next pic, the muffler is already baffled ... I have to break out the drill press tomorrow, so I can drill a bigger hole where that stock "tip/exit" is on the back plate. I'll probably just use about a 1" bit...
The exhaust will look much sportier like this as well... as it takes quite a bit of length away from it! AND I still can bolt it in the stock location!
The stock header can just be welded directly back in its same location... tho I took a small hammer and "mushroomed" the header pipe a Tad, to be able to get a GOOD bead around it!
It'll weld up, like so....
And again, after I drill out a slightly bigger hole in the rear plate, it will be welded back on (like "stock") as well!
Hopefully this can help some ppl out w/ freeing up their exhaust, for FREE! Lol.... lemme know if anyone wants any head work done! I plan to shave my head and port and Polish my intake/exhaust runners next!
HOW TO GUT YOUR 50cc GY6 MUFFLER! ;D
It's rather simple if you have access to a grinder/hacksaw/sawzaw/bandsaw, a wire wheel/wire brush/sandpaper, and a welder! Lol... I know that's "broad" but it will all work to do what needs to be done!
I used a grinder for the cutting and a dremel w/ a wire wheel to clean off the paint n metal for the welding! Simple. Had no idea what was inside of one of these mufflers, but after looming around in it.... good God, it's restricted!!! I have an open air filter and I'm rejetted, needed to open up the back end too! Plus, I'm a machinist, ABSOLUTELY HATE how quite this scooter is and like to fiddle with things! Haha...
Step 1: remove the entire muffler assembly (4 bolts on mine, INCLUDING head studs!)
Step 2: Hack off the back portion (where the "tip" is welded on) then hack to where the "spot welds" are, holding all the noise reduction crap in. (About 1/3rd of the muffler)
Step 3: cut the "header pipe" off of the muffler (the inlet side) All of that stuff in there was attached to that, so it was necessary in my case. I'm assuming in others it would be too!
Step 4: get rid of everything inside that thing...
Step 5: THIS, is all you should be left with!!!
As you can see, in this next pic, the muffler is already baffled ... I have to break out the drill press tomorrow, so I can drill a bigger hole where that stock "tip/exit" is on the back plate. I'll probably just use about a 1" bit...
The exhaust will look much sportier like this as well... as it takes quite a bit of length away from it! AND I still can bolt it in the stock location!
The stock header can just be welded directly back in its same location... tho I took a small hammer and "mushroomed" the header pipe a Tad, to be able to get a GOOD bead around it!
It'll weld up, like so....
And again, after I drill out a slightly bigger hole in the rear plate, it will be welded back on (like "stock") as well!
Hopefully this can help some ppl out w/ freeing up their exhaust, for FREE! Lol.... lemme know if anyone wants any head work done! I plan to shave my head and port and Polish my intake/exhaust runners next!
the HUGE angle grinder was nicking EVERYTHING and EVERYWHERE up...
