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Post by trinitydave on Jul 9, 2008 14:23:40 GMT -5
I am slowly but surely replacing a few key parts that are worn out (brake lines, pads, electrical glitches) and now I am ready to tackle the exhaust system. It looks as if I have the original stock muffler, attached to an aftermarket header that appears to be a larger OD than would have been the case with the stock muffler. Anyhow, the entire thing was spray painted gray to I am sure hide rust, etc. I have ordered a reverse megaphone from Mike's XS, and am wondering about my options with the head pipe. I have wondered about taking it to a metal finisher and have it blasted and perhaps chromed, but am unsure whether this is worth the effort. I haven't had much luck finding aftermarket head pipes for the SR, and don't want to spend a lot of money on my bike, which is an enjoyable commuter ride but not a collector item. Some folks on this website talk about getting a pipe made, and I am wondering how reasonable the cost is and who can do it. Do you take it to an auto shop and they'll bend a pipe for you? I live in the Bay Area of California, so I am hoping there might be some local resources. I don't need a piece of jewelry, just something that looks reasonably nice and not painted gray. Any advice is most appreciated. Thanks!
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Post by pablosrfivehundred on Jul 9, 2008 15:05:28 GMT -5
have it ceramically coated.
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Post by solo2racr on Jul 9, 2008 15:24:05 GMT -5
Most muffler shops don't have the right equipment to bend tubing correctly. It works OK on 2"-3" tubing for the family car but looks and performs like crap with 1 3/4" tubing on a bike. The tubing bender I have for building roll cages in race cars doesn't crush the tubing like muffler shop benders too. I would do it for you but I only have a
1.5" dies. At some point I will get 1.75" dies to do bike exhausts but until then, I would suggest looking at some of the race car chassis shops around. The ones that build their own roll cages will have the proper equipment to do it right.
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Post by jdbrees on Jul 9, 2008 16:31:55 GMT -5
Try Thumperstuff.com - Mark's got a good selection in stock and they're under $200
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Post by caferacercarl on Jul 12, 2008 18:28:11 GMT -5
I designed some lovely ones for Deus, but they can't even give the suppliers a purchase order. mandrel bent one piece stainless dyno designed etc,etc, and cheap.
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Post by milkman on Jul 14, 2008 2:28:34 GMT -5
I'm waiting for Deus to get back to me on parts i ordered in 2006, and another time in 2007 - face to face in the shop
I think they were humouring me in teh hope i'd buy t-shirts in the mean time
They did get back to me once though when a new book order came in.
I guess there agreement Carl was that we can't go direct (read: no mark up) ?
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Post by caferacercarl on Jul 20, 2008 2:28:52 GMT -5
Trouble is there exhausts etc, make 16.5hp, mine make 34.........and I have 3 engines of theirs that won't make power or even run properly with anything they sell, I phone 3 times a week asking for the missing parts for the motors, do you think they are having a lend of me as well? I have not received a complete engine yet, one when unwrapped was just empty castings..................
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Post by marlon on Jul 20, 2008 2:42:26 GMT -5
I think they might be Carl. Shame, those exhausts would have been very interesting.
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Post by yamatopdog on Aug 1, 2008 20:55:59 GMT -5
Commuter bike and not worth collecting!!??you are banished!!
just kiddin.
did you mean od or id?stock is a double walled pipe but od would be 1 3/4 .
i got mine from thumperstuff, if yours is a single will pipe i would send it out to jethot,nice stuff
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rei97
New Member
Posts: 16
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Post by rei97 on Aug 21, 2008 5:34:16 GMT -5
Hi,
I would never take a single pipe, exept it would have the inner diameter of double walled stock pipe. If you take a big diameter tube, it just would cooperate with wide open megafones. With damped mufflers the gasspeed inside the expipe is gettig too slow and the impulse of the gas could not pump and compress fresh gas during valve lap. Result is a loss of power. I had a stock pipe at my coffeerat which was a little rosty and changed it to a single wall pipe. Before it ran 179km/h after it went 150km/h...(measured with a sigma at 2065mm)
Regards
Rei97
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