|  | Topic : 90 degree elbow....question for those who did this |  |
| | | daz | | Zeus |  |  | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,709 | | Location | : | United States |
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| | Posted : 28 Sep 2012 - 01:42 Post title : 90 degree elbow....question for those who did this | | | Di you have issues with the center where you cut it in half not being perfectly round and causing exhaust leaks? I want to try this but i read where someone who tried several of them had this problem and ended up buying actual bypass pipes for the bike. I went to the hardware store with my caliper and found the same thing he did. Is there a brand to look for or what? I'm asking because i don't want to waste a lot of time running around trying to find a usable one.
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | Noladuck | | Set | |  | | Reg. Date | : | 05/06/2011 | | Posts | : | 260 | | Location | : | Portland, Oregon, United States |
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| | Posted : 28 Sep 2012 - 03:51 Post title : Re: 90 degree elbow....question for those who did this (Re: daz) | | | Hey Daz, that might have been me. I didn't like the fit of the conduit pipe, because it was causing exhaust leakage. I ordered some 45 degree elbows off ebay.
Link
They worked really well. They may be stainless steel, but they will turn blue. It doesn't matter though, because they are covered up by the heatshields. I think you could just as easily find a local exhaust shop that sells a 45 degree 1.5" outer diameter pipe which is about 38 mm, I think. Hope this helps.
Chris
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| | | daz | | Zeus | | | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,709 | | Location | : | United States |
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| | Posted : 28 Sep 2012 - 04:44 Post title : Re: 90 degree elbow....question for those who did this (Re: Noladuck) | | | Thanks. I think it was indeed you. I wanted to see if anyone else had the same issue because i haven't HEARD any others. But maybe they just never mentioned it. Those pipes are pretty cheap, but they're from the UK and i was hoping to get this done asap. Like to this weekend but if i do my only option will probably be those hardware store elbows. Not sure any muffler shops would have anything because 1.5" outside diameter i think would be small for a car. But maybe i'll check pep boys. U never know...
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | daz | | Zeus | | | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,709 | | Location | : | United States |
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| | Posted : 29 Sep 2012 - 16:31 Post title : Re: 90 degree elbow....question for those who did this (Re: daz) | | | I did this just now and no leaks at all. The cut ends were slightly out of round after cutting but some tapping got them back close enough. I can see why there are some who say they are loud and some say not so. It IS kinda in the middle, but for me i think they are just too loud. Not horribly like a lot of harleys but well more than i'd like. I'll have to ride some more than just my initial 6 mile test to be sure. Funny thing is, it's no louder at cruise or idle than with the cat. In fact, at cruise it seems almost as quiet as a bike with stock exhaust ! Probably wrong, and i DO wear ear plugs. But it's relative. In fact, it scares me that it seems too loud with plugs and i think if i rode w/o them i'd likely throw the cat back immediately !
In any case, my main concern was power. It was already as loud as i'd want with the modded cat which also has holes in the inner cans so theres a direct part from header to muffler. But some still obviously takes the less resistive U turn route within the cat so it;'s not nearly as loud. I would say the cat as it is now gives me probably 70 to 80% of the power that the elbows and dizze's tune give. So I will ride some more to evaluate fully, but i think for that extra few percent of power gain it may not be worth the volume. It gets loud when you accelerate hard and that makes me not want to do that, which was the whole purpose of the exhaust mods for me. To me tors and cat are plently loud, but i wanted that extra grunt. We shall see....
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | brackforce | | Set | |  | | Reg. Date | : | 25/04/2010 | | Posts | : | 123 | | Location | : | Fayetteville, NC, United States |
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| | Posted : 29 Sep 2012 - 17:26 Post title : Re: 90 degree elbow....question for those who did this (Re: daz) | | | Sorry that you feel it's too loud, Daz. I LOVE it. I think it's just about perfect, although I could use a bit more volume at idle. To me, it's a lot more fun hearing that rumble coming from behind when you give it some gas. I let a buddy ride it around the block and was very pleased listening as a spectator. I was worried about leaks from those elbows too especially since my cuts were noticeably out of round, but I shoved them in as far as I could get them and really cranked down on the clamps. So far I haven't noticed any leakage.
| "Smokey, this is not 'Nam. This is bowling. There are rules."
2010 Black and Blue Haze 1700
2006 Bobbed-out Royal Enfield Bullet Sixty-5
1976 Panzer Grey CJ750 with Sidecar
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| | | daz | | Zeus | | | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,709 | | Location | : | United States |
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| | Posted : 29 Sep 2012 - 18:30 Post title : Re: 90 degree elbow....question for those who did this (Re: brackforce) | | | Don't be sorry....i'm gradually coming around. Just got back from another short ride tho longer than the last. Bout 20-25 miles. I'm starting to like it. I removed the ear plugs at one point and it wasn't quite as loud as i thought it would be. And to tell you the truth, it's not loudness to my ear that i dislike, it's the attention it attracts that bothers me. But in any case i'm starting to dig the tone and even the volume once i stop worrying about the attention. But whats really making me want to leave them on is the power. After this ride i think i was wrong and i probably gained more like 50% or more over the modded cat. Once i started getting used to the volume I was able to focus more on how quick it is. It's harder to tell on a open road, but when in back of a car and then passing you get a much better idea of how quickly it accelerates as you watch the car you pass very quickly become far away. So i really like the power increase and will leave them for now unless i find myself tiring of the volume. Don't think so tho, as the more i ride the more it just sounds normal. But if i decide to keep it like this I'm probably going to get some stainless ones tho and see if i can rig some clamps and arms on them to bolt them to the frame for more strength.
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | ledzep | | Set | | | Reg. Date | : | 17/03/2012 | | Posts | : | 128 | | Location | : | scotland, United Kingdom |
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| | Posted : 01 Oct 2012 - 09:20 Post title : Re: 90 degree elbow....question for those who did this (Re: Noladuck) | | |
Noladuck wrote:
Hey Daz, that might have been me. I didn't like the fit of the conduit pipe, because it was causing exhaust leakage. I ordered some 45 degree elbows off ebay.
Link
They worked really well. They may be stainless steel, but they will turn blue. It doesn't matter though, because they are covered up by the heatshields. I think you could just as easily find a local exhaust shop that sells a 45 degree 1.5" outer diameter pipe which is about 38 mm, I think. Hope this helps.
Chris |
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What is the ideal length of these pipes to fit in between pipes
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| | | edbob | | Chaac | |  | | Reg. Date | : | 04/04/2012 | | Posts | : | 931 | | Location | : | United States |
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| | Posted : 01 Oct 2012 - 16:09 Post title : Re: 90 degree elbow....question for those who did this (Re: daz) | | | I had the same feelings about the sound. I'm not afraid of making some noise, but on the other hand nothing good ever came of making people angry at you. One day, my mind changed, though. At an intersection, I pulled up alongside about 4 or five Sunday-ride Harley guys. All of those bikes were way louder than mine had ever been when I had my cat off. As they tore away from the light, pipes blatting away enough to shake your fillings, nobody even looked twice. I believe that in the USA, most people are accustomed to the Harley sound, and it's more socially acceptable to have open pipes - and guess what sounds similar to a Harley? I promptly went home and removed my cat for the last time. No one has raised a middle finger, swerved in surprise, or written any tickets yet. Granted, the cat sits on a shelf in my garage just in case. Time will tell, I guess.
| "You will ride eternal shiny and chrome"
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| | | Rihoncye | | Set | | | Reg. Date | : | 25/01/2012 | | Posts | : | 45 | | Location | : | Kansas, United States |
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| | Posted : 07 Oct 2012 - 05:19 Post title : Re: 90 degree elbow....question for those who did this (Re: edbob) | | | What is the best for this mod? I've seen 90 degree and 45 degree elbow in reference to de-cat. Which works best and at what length does the pipe need to be? I am ready to plunge into this but would rather not do the trial and error thing if someone already has the answer. Also will the TOR tune work with this or will I need a new tune? Thanks all!
| | Post edited by Rihoncye on 07 Oct 2012 - 05:23 |
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| | | daz | | Zeus | | | | Reg. Date | : | 12/05/2009 | | Posts | : | 7,709 | | Location | : | United States |
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| | Posted : 07 Oct 2012 - 05:27 Post title : Re: 90 degree elbow....question for those who did this (Re: Rihoncye) | | | It needs to be 45. The reason people mention 90 is that the elbows a lot of us have used are 90 degree elbows at 1.25" diameter you get at a hardware store and they are long enough so you cut them in half which gives you two 45 degree elbows, one for each side. The diameter you need is 1.5" OUTSIDE diameter, so you have to get the 1.25" one because they are specified at INSIDE diameter. So a 1.5" has an outside diameter of about 1.7" and therefore is too large. the 1.25" is right at 1.5" outside. So go to a hardware store and get a 1.25" diameter 90 degree elbow and cut it in half and you're good to go. They're about $5-7. if you have a 1700 use dizze's decat tune. If you don't you'll either LOSE power or gain much less. If your bike is a 1600 you're kinda out of luck as power goes unless you get a custom tune.
| 2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
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| | | Leethal | | Zeus | |  | | Reg. Date | : | 24/01/2011 | | Posts | : | 6,520 | | Location | : | Australia |
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| | Posted : 07 Oct 2012 - 06:31 Post title : Re: 90 degree elbow....question for those who did this (Re: Rihoncye) | | | Have a look in the Tune Repo thread, I think Silverfish may have modded Dizze's tune for the 1600/tors/performance filter.
| Experience is something you get just after you needed it 
1600,Foran Razorbacks, Meerkat bypass, Dyno tune, real headlight,plenty of chrome,switchblade pegs, Nitron R3 shocks & Ikon progressive fork springs etc. Scorpion Western Low handlebars. PH adjustable fork caps.
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| | | GerPa | | Jupiter | |  | | Reg. Date | : | 10/12/2011 | | Posts | : | 1,919 | | Location | : | Mackay, Central Queensland, Australia |
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| | Posted : 07 Oct 2012 - 12:23 Post title : Re: 90 degree elbow....question for those who did this (Re: ledzep) | | |
ledzep wrote:
Noladuck wrote:
Hey Daz, that might have been me. I didn't like the fit of the conduit pipe, because it was causing exhaust leakage. I ordered some 45 degree elbows off ebay.
Link
They worked really well. They may be stainless steel, but they will turn blue. It doesn't matter though, because they are covered up by the heatshields. I think you could just as easily find a local exhaust shop that sells a 45 degree 1.5" outer diameter pipe which is about 38 mm, I think. Hope this helps.
Chris |
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What is the ideal length of these pipes to fit in between pipes |
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Hello Chris
Did you have to cut the Stainless elbows or do they fit just as you bought them?
Gerry
| May-2011-1600, 20306 Tune, Mustang Vintage Solo Seat, Meerkat Cat Bypass, + Meerkat Modified Short TORS   ,K&N Air Cleaner,K&N Oil Filter, JBQ lifting system, Gold Plug Magnetic Sump Plug,Dart Fly screen, Rivco Risers, GiPro Gear Indicator, Breakaway Cruise Control, Avon ISO Grips, Scorpion Western Low Handlebars, Kury Switchblade Pegs, Garmin Zumo390LM,Michelin RC2 on Front RC 3 on ,Modified Rear Drive Pulley Hub Bearings (Mat1600/Alex4 Modification) Front Susp: Std & 7.5W Oil /126mm Air Gap & Rear:Hagon Nitro's with 26Kg/cm Springs + Lots of other "Bling" stuff.
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| | | Noladuck | | Set | | | | Reg. Date | : | 05/06/2011 | | Posts | : | 260 | | Location | : | Portland, Oregon, United States |
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| | Posted : 07 Oct 2012 - 23:06 Post title : Re: 90 degree elbow....question for those who did this (Re: GerPa) | | | GerPa,
I had to trim them. I lined them up with the catalytic converter, marked and cut with a hand grinder cutting wheel.
Chris
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| | | Noladuck | | Set | | | | Reg. Date | : | 05/06/2011 | | Posts | : | 260 | | Location | : | Portland, Oregon, United States |
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| | Posted : 09 Oct 2012 - 05:30 Post title : Re: 90 degree elbow....question for those who did this (Re: Rihoncye) | | | I have stainless ride pipes on mine, which are comparable to hogslayers, except the hogslayers have the bypass built in. So, by using the 45 degree bypass elbows, coupled with the stainless ride slip-ons, you have a rough equivalent to the hogslayers. It is recommended that the tors tune 20306, or 20359 depending on the year of your bike, is used with hogslayers, and any other aftermarket performance pipes, in order to account for a more free flowing exhaust. I also have the K&N high flow filter. I have a 2010 bird and therefore use the 20306 tune, installed via tuneecu, and I am very happy with the results. I have plenty of power, great sound, and some decal popping, which I happen to like. It is important to note, that with out the cat, you will get popping to some degree. I would also note, that if don't get a good gasket seal at the elbows, you will get some lovely exhaust fumes, and obnoxious popping. I can tell you that from personal experience. I hope this helps.
Chris
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