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I'm planning to drill out the main restrictor on my stock legend silencers. I'f I'm going to do 7/8" like that write up says, do I have to worry about losing compression?
What do you mean by flat spots, like on a dyno chart? I'm not doing it for performance gain. I just want the exhaust to have a bit more growl and less whine. I also want to make sure there's no negative impact on my bike. I think cafetbird knows what I'm getting at.My very humble but nevertheless well-informed opinion is that if bunging a 3/4" drill down your stock pipes did any good, all manner of racers would do the same.
You will end up with more flat spots than Cheshire.
Your ears will tell you that you are fast, but a dyno will tell you that you are dreaming.
If you want a set of pipes that perform better than stock, pay out some hard earned on some properly engineered kit.
Remember, loud does not equal fast.
Been trying to tell all my Harley peers this for years, but heigh ho, like casting pearls to swine. Ho ho.
The Triumph "Off road" pipes are the stock pipes without the baffles fitted - if you drill them right out the bike will perform just fine - the baffles are there for noise abatement not performance.My very humble but nevertheless well-informed opinion is that if bunging a 3/4" drill down your stock pipes did any good, all manner of racers would do the same.
You will end up with more flat spots than Cheshire.
Your ears will tell you that you are fast, but a dyno will tell you that you are dreaming.
If you want a set of pipes that perform better than stock, pay out some hard earned on some properly engineered kit.
Remember, loud does not equal fast.
Been trying to tell all my Harley peers this for years, but heigh ho, like casting pearls to swine. Ho ho.
Yeah, there aren't many people that end up saying that. The only modified I have heard that sounded "bad" were ones that weren't done properly. If you drill too small a hole, or a series of small holes, they can not sound very good.I've never heard anyone say they didn't like the sound of the stock baffles drilled. Now I'm skeptical about drilling them.![]()
Whoa, slow down. I said engineered solutions, I NEVER did, and never would say that TOR's resemble an engineered solution to anything, except waking the neighbours.The Triumph "Off road" pipes are the stock pipes without the baffles fitted - if you drill them right out the bike will perform just fine - the baffles are there for noise abatement not performance.
Maybe not - but I have never heard a race bike that was not quite loud....I repeat, loud does not equal fast. Not often, anyway.