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1) the loudest and most obnoxious pipes for my honda shadow
2) the best performance.
1) Vance and Hines 2 into 1 Pro Pipe with the baffle removed. If those are not in the budget then just slide the stock mufflers off the head pipes and run them as stubbies. That will certainly give you the L & O you desire.

2) Some descriptors of your version of "best performance" would help here for offering up suggestions.
 

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I had V&H longshots on my Sabre 1100. They were very loud. Sounded good but they were extremely loud. "obnoxious" can be subjective, so I wont comment on that. If you can find those, I think its your best bet.
 

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Read the literature very carefully. Most of these systems don't actually create much, if any, power. The more shady may advertize quicker acceleration, faster ET times etc. but may avoid saying it makes more power. They can do that because they are 2 light thin tubes as opposed to the really heavy stock system. There are two ways to go faster, more hp or less weight. If your fuel mileage drops, you didn't gain power, If you had, it would require less throttle to maintain the normal speed and should use less fuel. (not counting you revving it to hear the pipes,,,)
 

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'83 VT750C; ‘21 SV650A
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No interest in helping on that. You remind me of a young kid that came into our local speed shop one day and asked to straight pipe his Chevy Cavalier. When told it would be a bad idea, he said he didn’t care. Just wanted it LOUD. Good thing he didn’t know how much he was laughed at as they did that job, or maybe it wasn’t.

Better question would be what set of pipes would improve performance, look good and give the deepest, richest sound you can get. ‘Loudness’ should be secondary. I don’t believe loud pipes save any lives at all.
 

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1996 Honda Shadow VT1100-C2
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Loud & obnoxious pipes make the general public think that motorcycle riders are uncivilized jerks.

That belief in the public's mind translate to two negative consequences:

number one-- they're not at all concerned about endangering us on the roads. No respect for us and they're not gonna pay any attention to anything they see or read that has to do with "lookout for motorcyclists."

And secondly they'll support laws --usually city or county ordinances, or homeowners association or neighborhood covenants-- that restrict the use of motorcycles.
 

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1996 Honda Shadow VT1100-C2
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If too many people with large-engine bikes take the "loud pipes" approach I can easily see a bunch of Karens lobbying the legislature of a state to pass a state law mandating that all motorcycles have OEM spec exhaust systems in place.

And to make this law enforceable from a practical standpoint, they would mandate that motorcycles, or potentially all motor vehicles, go through a state certified inspection before you can renew your license plate / sticker for your plate or tag.

So then any aftermarket system you put on has to create the same back pressure as what came off of the bike. If you go with a more open and louder exhaust you will be denied a registration tags or license plate and you'll have to trailer your bike to the race track, but you won't have it legal for Street riding.

I think States have the legal authority to pass these kinds of laws and courts will uphold them against any constitutional challenge. The gov't would probably love to have this much power and intrusion into your life --they just need an excuse!
( Please don't give them that excuse.)
 

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2013 Honda Shadow Phantom 750
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Just cut the pipes behind your foot pegs. If you really in search on the loudest and most obnoxious sound just take the whole exhaust off the bike and run straight exhaust ports.


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Why would you want the most obnoxious sounding exhaust? I agree that most stock Shadows sound a little anemic. I also don't think they will never sound as good as an H-D. You can make it loud but that doesn't mean it sounds good. Do I wish I could get my Shadow to sound better, more like a H-D, yes but it will never happen. It's not just opening the exhaust. To get the H-D sound the valve overlap and cam timing would need to be changed, the compression ratio would have to go up, changing the # of valves would also need to be changed, and a single pin crank. But if loud and obnoxious is what you want just cut the mufflers off. Then when You've done that you will spend the next year or two trying to get it to run right.
 

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Just my $.02, if you look at HD bikes being used in drag races, they have fairly long pipes. If the shortest pipes made the most power that would change fast. Instead my buddy had 7 inch or so blast pipes on his sportser. When he accelerated all you saw was a mist and the smell of raw gas followed by a touch of a flame. Maybe not tuned perfectly but in my opinion it wouldn't be possible to tune that perfectly. Food for thought.
 

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Just my $.02, if you look at HD bikes being used in drag races, they have fairly long pipes. If the shortest pipes made the most power that would change fast. Instead my buddy had 7 inch or so blast pipes on his sportser. When he accelerated all you saw was a mist and the smell of raw gas followed by a touch of a flame. Maybe not tuned perfectly but in my opinion it wouldn't be possible to tune that perfectly. Food for thought.
[/QUO
That is correct, short pipes will give a little better top end and longer pipes will give better low end torque, generally speaking, and for most drag racing its about getting off the line.
 

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COUGH*California*Cough

And it’s not that those drivers don’t see or respect motorcycles. You could drive a semi truck painted in day glow yellow and orange, with flashing strobes and sirens. They’d STILL pull out in front of you… 🤦‍♂️
Man, on convoy to the parade every year they even pull out in front of a string of 50' long, 18' wide, 16'high (in lowered position) Rose Parade floats with full police escort. Every effing year. Even have'em occasionally run into a float. How in Hades do you manage that?

Ask the funeral procession escort cops the same question, and you'll get the same answers. It can be beyond stupid. :confused:
 

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I had V&H longshots on my Sabre 1100. They were very loud. Sounded good but they were extremely loud. "obnoxious" can be subjective, so I wont comment on that. If you can find those, I think its your best bet.
I have these, came with the bike. I agree they are very loud and I will be selling them along with the carb jets.
If interested send me a pm.
 

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i'm interested in finding the most loud and obnoxious pipes for my honda shadow with the best performance.
Cobra single-wall drag pipes with the baffles removed will make your Honda disgustingly loud as well as fully obnoxious, but; at a cost of low-end torque. So, keep the revs up and let 'er rip!
Good luck with that,
Phil
 
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