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Post by lancer150 on Aug 1, 2007 20:05:23 GMT -5
New MUFFLER TYPE: Stanley / Tractor muffler Where to buy: Rural King Price:$12.59 ruralking.com/rko/cart.cgi?PRODUCT=004771063&SPD=xNA77489796cT26&AISLE=4282 I recently found this exhaust and it made my scoot even quieter than the stock set-up. It has a good baffle and i must say for the price it's the greatest deal you will find . the downfall is that it's not very pretty it is gray but can be painted with high temprature paint . It is also very light it weighs about 3 lbs id say. ;D If you are looking for quiet and sinple muffler look no further here it is .. here's an affordable exhaust change-up and will only run you $30.00 .. i had problems with my stock exhaust first the baffle wield broke and it rattled around inside untill i couldn't take it, so i gutted it out.. than my brackets broke off..so i took off the muffler witch is very heavy.the scootersfactory claimed it is an alluminum exhaust and there is nothing alluminum about it so i decided to hack it off.. afterwards i went to the tractor supply and bought a briggs n strattion muffler/silencer the big one...it is still loud yet deeper tone yet too poppy so a week afterward's i went to advance auto and looked at their muffler tips and got one and just mounted it over my briggs muff.. it silences some of the pop and sounds pretty good here 's a pic .. the set-up cost me 30 bucks all together I've change the muffler up a lil bit .. i took off the briggs sliencer.. well lol it fell off. .so i decided to go with something different ...
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Post by scootertrash06 on Aug 4, 2007 6:26:37 GMT -5
Is that thing acutally a "straight through" unit, meaning that there is no restriction at all. Looks cool but might be a little too loud for me. Good job!
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Post by tcxjwagoneer on Aug 6, 2007 20:55:25 GMT -5
could you record a sound byte of that thing running?
Tommy
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Post by earlwb on Aug 7, 2007 5:49:42 GMT -5
Looks like it is pretty loud. But interesting concept. Doesn't look bad at all. I have been thinking about using one of these mufflers as shown here tinyurl.com/2pjb67
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Post by lancer150 on Aug 12, 2007 13:19:21 GMT -5
yeah it's pretty loud yet still but its sounds pretty mean and groany
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Post by YellowScooter on Aug 18, 2007 14:31:27 GMT -5
It doesnt sound offensivly loud. but I guess if you like it 'is it still running???' quiet, then it'll grate on your nerves a little. I like it though. I like cheap fixes! lol
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Post by shades on Aug 25, 2007 18:52:49 GMT -5
the file disappeared.. reupload?
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Post by Aerostudent on Sept 15, 2007 16:55:03 GMT -5
Nice update, that muffler is a little less frankenstein looking, and look, it's all ready for a $10 wallyworld exhaust tip ;D then you would be right at home it the world of import tuners ;D I know you said it sounds quieter, but what about performance? Any improvements/downfalls, or is it just about the same as stock? Great job by the way, on finding all these DIY replacements!
Aero
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Post by tp555 on Sept 15, 2007 20:21:10 GMT -5
Well I have a project planned out for an exhaust system. Here is a tease for the end pipe:http://www.jcwhitney.com/autoparts/Product/tf-VehicleBrowse/s-10101/Pr-p_Product.CATENTRY_ID:2006270/p-2006270/N-111+1968+200004104+600004883/c-10110
Don't know if the link will work so look up 68 super beetle exhaust tips or tailpipes. Its 1 3/8" dia and about 9" long with fiberglass packing.IOW an mini glasspack.Might need 2 inline. I have a machine shop.One customer I make parts for services Open wheeled race cars (formula ford and formula atlantic). Have to break in the scoot first , then the tweaking begins.regards.
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Post by lancer150 on Sept 16, 2007 15:18:21 GMT -5
ahh i forgot performance details.. performance wise the tractor muffler has great performance as far as i can tell.i don't think it has very much restriction at all but there is some back pressure to it unlike my other set-up that was pretty much wide open and MEGA LOUD! the tractor muff is great
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Post by earlwb on Sept 19, 2007 16:19:30 GMT -5
As far as the engines go, unless you are drag racing or something where you are always WOT. You always need a little bit of back pressure. so it will idle OK, etc. On some Harleys with drag pipes straight through no muffler, we would put in a 3/8" or 1/4" bolt through the end of the pipe to provide a little bit of back pressure. Its amazing how much better the engine would work then.
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Post by earlwb on Sept 20, 2007 16:41:12 GMT -5
I got to thinking about it, and I have several mufflers that used to be on my old Harley Sportster when I was going through things like loud pipes and such. One pair was a straight through glass pack type of muffler, that has a user moveable butterfly baffle plate that you can turn to make it quieter or louder. But it did little to change the sound. I might have to dig them out of the storage shed and check it out. See what I need to do to hook it up or something.
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Post by lancer150 on Sept 21, 2007 20:27:19 GMT -5
that would be really interesting to hear and see.
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Post by tp555 on Sept 22, 2007 6:27:40 GMT -5
earlwb if you need an adapter,I am making up a few for my project. Still waiting for the stuff to arrive. I am making a flange that bolts up to the original on the front pipe. The bolt circle is 40mm and the od of the plate about 4 1/4". I got lots of aluminum pieces for this.You just have to measure what you want on the other side.Send me specs,the rest is easy.regards.
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Post by 90GTVert on Sept 22, 2007 8:46:54 GMT -5
A firend of mine ran a Cherry Bomb glasspack on his 50cc 4 stroke, which should be similar to the Harley glasspack earl spoke of. I can tell you already, don't waste your time on that one unless you want it loud. He got pulled over for his within a few days, and the officer told him he didn't want to see that scooter in town with that exhaust again. I can't say it was any louder than my 2-stroke with MRP exhaust though, and I have put 3000 miles or so on that exhaust with no problems yet.
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Post by earlwb on Sept 22, 2007 8:56:09 GMT -5
Wow that would be so neat, I have been thinking about that very same thing. The adapter tube for the muffler is a standard 1 and 3/4" exhaust pipe 1.75" (44.6mm) OD. I measured 1.70" to 1.74" on the exhaust pipes. The three bolt triangular shaped like flange on my scooter measures 2.7" (68.6mm) between each of the bolt holes. The bolt circle matches yours at 40mm too. The three bolt holes are 8.6mm in size. The stub pipe would would about 3 inches (76.2mm) in length going straight out from the flange. Since the exhasut pipe is bent up at a angle the muffler just goes on straight without any extra angles needed. Thank you very much, just let me know what I owe you and I can paypal it over or something.
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Post by earlwb on Sept 22, 2007 9:07:47 GMT -5
90GTVert, actually the straight through glass pack mufflers I have are large in comparison to the little cherry bomb types about 3 to 4 times as large. When I got them, I thought the cute moveable baffle plate would let them be both loud and quieter, depending on the position. So you could pull the cable knob and show a police officer that he must have been mistaken or something. It turned out the mufflers were really quiet, only very slightly louder and with a much deeper rumble than the OEM mufflers. The baffle on or off was sort of useless as it more or less sounded the same either way.
But considering all the Harley guys out riding with straight pipes and really loud motors, i wonder why the police weren't going after them but hassling a little scooter guy. Or was it a really loud irritating kind of sound.
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Post by 90GTVert on Sept 22, 2007 9:13:03 GMT -5
For anyone interested in making your own flanges, here's a small tip from experience...
When you make the flange to bolt up to the stock head pipe, you have three common options for bolting the new exhaust up. 1)Just drill the holes to line up, and then use nuts and bolts to bolt it together. 2)Drill the holes to line up, slightly larger, and weld nuts on the flange. Basicly just like the stock setup. 3)Drill the holes to line up, slightly larger, and weld bolts through the holes. The opposite of the stock setup.
I find the third option to be the easiest to work with. You can slide the muffler assembly in place, and the bolts will generally hold it up enough that you don't have to hang on to it while starting the nuts, or attatching hangers/brackets.
Any of the methods work, but I like that one the best.
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Post by 90GTVert on Sept 22, 2007 9:22:20 GMT -5
90GTVert, actually the straight through glass pack mufflers I have are large in comparison to the little cherry bomb types about 3 to 4 times as large. They must be huge. His was 2" or 2.25" inside diameter, prob 3" to 3.5" outside diameter, and 24" long. We also welded a baffle in the end with a 1" hole drilled in it. That quieted it down some, but we did that before he was pulled over! But considering all the Harley guys out riding with straight pipes and really loud motors, i wonder why the police weren't going after them but hassling a little scooter guy. Or was it a really loud irritating kind of sound. If I ever figure out the answer to that one, I will share. Loud trucks and Harleys are in the same boat here. Trucks and Harleys can run glasspacks or straight pipes around here and get away with it. My friend tries to use a glasspack on a scooter and gets busted in a matter of days. It was loud and annoying, but not as loud as a Harley for sure, and no more annoying then they are. I can get tickets for my Mustang with 3x the power of the jacked up trucks, that is not quite as loud. I'll never understand the selective noise laws.
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Post by earlwb on Sept 22, 2007 10:04:22 GMT -5
yeah I originally bought them as I thought they would be quiet and loud both. instead they were quiet with a deep throaty kind of a sound.
Well the two cycle engines with the expansion chamber pipes are really really loud. Very irritating and annoying too. Out here they don't seem to have any loud engine noise laws, as no one seems care with all the loud cars and motorcycles running around. I didn't like a loud pipe on my motorcycles as in the neighborhood I live it it is so quiet all the time. I feel guilty firing up the Harley as it might wake up people or something. We wait to mow the grass in the afternoons as we don't want to disturb the neighbors.
Another guy down the street has a semi-chopped Harley with ape-hangers on it, and he cuts the engine off down the block and pushes it home and does the same when he leaves in the morning.
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Post by earlwb on Sept 22, 2007 10:08:14 GMT -5
On the exhaust flange, I was thinking about having it like the original muffler and drill and tap the holes so they are threaded for the bolts. 8mm? So if you leave it undrilled or drill small holes, that would be fine as I can drill and tap it out too. But then that depends on how thick the metal plate stock is too. Thanks
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Post by 90GTVert on Sept 22, 2007 13:29:41 GMT -5
On the exhaust flange, I was thinking about having it like the original muffler and drill and tap the holes so they are threaded for the bolts. 8mm? Unless you just really want to keep the stock bolts, it doesn't matter if it's exactly an 8mm. Tap it to something close to that, and use the appropriate bolts. I went to a standard bolt just slightly larger. Just keep your old bolts in the original muffler, in case you want to put it back on.
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Post by tp555 on Sept 22, 2007 17:02:40 GMT -5
What I got is aluminum chunks about 1 1/2" thick and 4 1/4 dia.I'll make the flange 3/8" thick.For the holes your choice (you can drill and tap 5/16x18tpi std coarse or I can). On the other side of the flange is about 1 1/8" of material.I can turn this down to whatever you want.Do your mufflers slip over the pipe with a clamp to tighten it down,then measure the ID of the mufflers.For noise control you can replace the baffle that you got with a longer piece that has an ID of about 3/4" and od that fits inside. My jc whitney tailpipes arrived in the mail and they are really cheaply made.In any case I will make the pieces I need and try it out just to hear what it sounds like. It might be worth buying original tailpipes from the vw dealer or go to plan B. In regards to payment I'll send you my wish list,things I don't have and want,gaskets,belts like that.Maybe do a trade.When I get my project almost done I'll Post some pics so you get the idea.regards.
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Post by earlwb on Sept 22, 2007 17:20:16 GMT -5
Yes the mufflers slip over the pie and you use those U bolt like muffler clamps on them. I can drill the bolt holes myself no problem. Ok thanks
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Post by earlwb on Sept 23, 2007 14:35:48 GMT -5
Guess what, I found a guy at a metals fabrication facility, and I am waiting on the quote and stuff. But they are going to make me four 4" square 1/4" thick steel plates and cut a 1.75" inch hole in the center for 1 and 3/4" exhaust tubing. They have a really nifty giant computerized metals cutting machine and can do some pretty amazingly precise metals cutting on thick steel plates. I happen to have about 12" of 1 and 3/4" steel tubing about 1/4" thick. Which leaves a large hole of 1 and 1/4" for the inside diameter. I'll likely only need one of these muffler adapters, so I'll have three extra ones I can divie out as needed later. it depends on if I screw up the welding or not. I'll let you all know how it goes. it got me a bit physc'd. I love to watch the huge metals cutting machine do its thing on huge thick sheets of steel. If I remember right this baby uses super high pressure water to do its cutting. Less damaging to the environment and safer for the people around it that could breathe in the fumes.
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Post by tp555 on Sept 23, 2007 18:56:13 GMT -5
Count me in for the steel tubing leftovers.Getting material is a permanent job.You would have to drill or ream the id to about 3/4" for the 150cc motor then drill holes all over the place about 1/8" dia.Use this as your end baffle.It would work.The question is, how does it sound? You'll find out when its done.
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Post by earlwb on Sept 24, 2007 8:35:50 GMT -5
Well I only have 12 inches of 1.75" tubing, not quite enough for a muffler inner baffle. it would be a little on the heavy side too. I was planning on cutting it into four 4" sections and weld them onto the 1/4" steel plates. One can then match up the holes on the flange as needed and drill tap whatever. Then one can cut and or grind down the excess material off the 1/4: plate as desired. Then viola a nifty 1.75" muffler adapter for slip on mufflers like they use on Harleys, etc.
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Post by tp555 on Sept 25, 2007 13:45:40 GMT -5
Got my vw tailpipe exhaust ready for quick testing.It was a bit loud like a dirt bike exhaust.This is not acceptable.The tailpipes from jc whitney were the worst quality I have ever seen which didn't help. The originals have fiberglass packing.These were cheap,cheap,cheap.So moving on to plan B.Have to get the materials for this one.Jcwhitney has generic cycle mufflers that could work but I'm not about to spend $40 and find out they are cheap and crappy just like the vw tailpipes.So on to plan B.My aluminum adapter worked nicely.regards.
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Post by earlwb on Sept 25, 2007 14:27:21 GMT -5
If I remember right, those old style trumpet VW bug Dune buggy exhaust pipes were very loud. It seems people equate "loud" with power even if it was a little VG bug engine.
Only the really expensive Harley mufflers had good quality to them. The discount ones are all made in China too.
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Post by lancer150 on Sept 25, 2007 14:31:02 GMT -5
Just another up-date.. .My stanley muffler is still working great still quiet still has the good deep tone..It's on it's 11th day today. The only thing not so great about it is the cosmetics it's dull looking. if somehow it could be wrapped in shiny metal like maybe it would fit into the canister type muffler.I don't know what the ID of the canisters are..or length. This stanley seems pretty durable and extremely light also..their made for tractors so you know they have to be made pretty durable.I got more than satisfaction for only $13.99 .
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