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| | Drilled vs baffle removal | |
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+7peardrop3 simbo fat intruder Bluesman Mr Intruder stingray clonglands 11 posters | Author | Message |
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clonglands Prospect
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Drilled vs baffle removal Sat May 16, 2015 2:34 pm | |
| I know this topic is covered a lot but there seem to be differing points of view and I wanted to see if I could get a few clear answers.
My stock exhaust purrs like a kitten and having come from a stubby viper can on a zx9r I really need a bit more volume. Loud pipes save lives is very true as this is what I usually use on cars trying to cut me up instead of the horn.
I have a fuel injected VZ800 Intruder. If I drill the end plates but don't knock through the middle plates will this give me a decent volume increase?
Or do I remove the baffles completely until I can afford to sort out a good set of aftermarket pipes?
I see a lot of opinions about installing a controller if removing baffles as you're changing back pressure and air flow and will cause the bike to run too lean which will then cause a significant drop in performance. Is this the case or will this be ok as long as the air filter isn't changed as well?
I have all the tools to do either mod but not the cash to purchase new pipes having only just laid out for the bike. | |
| ![Go down](https://2img.net/i/empty.gif) | | stingray Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sat May 16, 2015 3:19 pm | |
| Hi, I've got the m800 and I've drilled (4) 15mm holes in each back plate, I've also pierced baffle plates (2) in each pipe using a pointed 20mm steel bar, to me she sounds great, no need for tuning box provided you don't alter air filter/intake. | |
| ![Go down](https://2img.net/i/empty.gif) | | clonglands Prospect
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sat May 16, 2015 3:28 pm | |
| Thanks that's good to know. I'll drill first as I don't have spiked rod. From what I've read the drilled holes will add volume and piercing the baffle plates will add depth. Did you try one without the other? | |
| ![Go down](https://2img.net/i/empty.gif) | | Mr Intruder Suzuki800.com Founder ... & ... Senior Administrator
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sat May 16, 2015 9:52 pm | |
| Hit a rod down the center, great sound & doesn't look messed with. Drilling holes is fine & some like it but just whack the pole down the middle for a really good sound, don't bother drilling the end plates. | |
| ![Go down](https://2img.net/i/empty.gif) | | Bluesman Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sat May 16, 2015 11:45 pm | |
| Yes, go down the middle for a deeper sound and as Dave says, it doesn't show. I did the backplate holes but thought it looked a bit naff! Debaffle is good but the pipe may look a bit 'hacked' unless you finish it off properly. Back pressure should be fine unless you remove the plates completely. I ran mine with most of the middle gone, just the cat left. The plugs were spot on. You can get a really good sound using stock modded pipes. If I had another Intruder I would probably debaffle using hole saws and fit nice circular trims to make the pipes look 'professional'. Or I would bang down the middle though 2 plates. I would not drill the back plate...been there, did not like the look. | |
| ![Go down](https://2img.net/i/empty.gif) | | stingray Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 9:58 am | |
| Hi clonglands, yes I experimented with hole sizes first but piercing the baffles is the way to go, if you're ever around the West Mids (Dudley), pop in and I'll do the baffles for you, ![Drilled vs baffle removal 184121345](/users/2611/31/42/84/smiles/184121345.gif) | |
| ![Go down](https://2img.net/i/empty.gif) | | fat intruder Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 11:29 am | |
| rod strait down the middle gives a far better sound imo I used 22mm and as Dave says it also looks untampered with but gives a nice throaty sound deffo the way to go and the best way to start then if she still isn't loud enough you can always add the holes to the end plate ![Drilled vs baffle removal 3498837457](/users/2611/31/42/84/smiles/3498837457.gif) | |
| ![Go down](https://2img.net/i/empty.gif) | | Mr Intruder Suzuki800.com Founder ... & ... Senior Administrator
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 6:43 pm | |
| I was behind Petetesch today on a ride out, he rodded his pipes. Sounds bloody good. | |
| ![Go down](https://2img.net/i/empty.gif) | | simbo * Site Guru *
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | | ![Go down](https://2img.net/i/empty.gif) | | peardrop3 Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 7:20 pm | |
| Question if I may?
I have a K & N air filter, would I need to add anything if I rodded the pipes??? Probably been asked before but I thought I'd ask ok. | |
| ![Go down](https://2img.net/i/empty.gif) | | Mr Intruder Suzuki800.com Founder ... & ... Senior Administrator
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 7:56 pm | |
| Rule of thumb Peter is, as follows with no adjustments needed: Air intake on its own. Exhaust on its own. ![Drilled vs baffle removal 3498837457](/users/2611/31/42/84/smiles/3498837457.gif) Air intake and exhaust together. ![Drilled vs baffle removal 437349](/users/2611/31/42/84/smiles/437349.gif) Adjustment now required to air/fuel mix. | |
| ![Go down](https://2img.net/i/empty.gif) | | fat intruder Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 8:05 pm | |
| I think you'd get away with just rodding and different air filter as your standard exhaust is still so full of shite jmo | |
| ![Go down](https://2img.net/i/empty.gif) | | fat intruder Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | | ![Go down](https://2img.net/i/empty.gif) | | Mr Intruder Suzuki800.com Founder ... & ... Senior Administrator
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Sun May 17, 2015 8:45 pm | |
| - fat intruder wrote:
- I think you'd get away with just rodding and different air filter as your standard exhaust is still so full of shite jmo
It could be full of cotton wool & fairy farts, it makes no difference. The fact remains, you will of given the exhaust gases a direct unobstructed route out, if it is rodded. It isn't wise to have a high flow air intake and fast flowing exhaust without refueling. | |
| ![Go down](https://2img.net/i/empty.gif) | | simbo * Site Guru *
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | | ![Go down](https://2img.net/i/empty.gif) | | petetesch Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Mon May 18, 2015 8:34 am | |
| Yes, rod down the middle, Chrissie noticed the difference straight away. Not too loud but a lot deeper sound. I just about got away with that one. Tee Hee!! | |
| ![Go down](https://2img.net/i/empty.gif) | | simbo * Site Guru *
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Mon May 18, 2015 11:33 pm | |
| - petetesch wrote:
- Yes, rod down the middle, Chrissie noticed the difference straight away. Not too loud but a lot deeper sound. I just about got away with that one. Tee Hee!!
You are talking about exhausts here Pete? ![Laughing](https://2img.net/i/fa/i/smiles/icon_lol.gif) | |
| ![Go down](https://2img.net/i/empty.gif) | | petetesch Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Tue May 19, 2015 11:40 am | |
| She does like a change or an enhancement Sim. ![hbb](/users/2611/31/42/84/smiles/4120879739.gif) | |
| ![Go down](https://2img.net/i/empty.gif) | | captain crash Mentally Deficient lunatic ..... & ..... Site Moderator
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Fri May 22, 2015 8:12 pm | |
| Rodded stock pipes sound good ![Drilled vs baffle removal 276246](/users/2611/31/42/84/smiles/276246.gif) | |
| ![Go down](https://2img.net/i/empty.gif) | | hmac Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Thu May 28, 2015 1:36 am | |
| I have done the spike through the baffles mod on my 97 VZ800 and it's a wee bit louder now and has a bit of a deeper sound with a nice bark when I open the throttle. How much louder would it be if I drilled the end plates?
I have watched a few videos on youtube but the sound quality from the cameras used just doesn't do much to help differentiate between the sound during the various stages. | |
| ![Go down](https://2img.net/i/empty.gif) | | stingray Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Thu May 28, 2015 9:11 am | |
| Harry, start off with small holes and as you increase the hole size you will notice the difference, I ended up with 15mm x 4 in each can, start about 5mm and you will know when its right for you, ![Drilled vs baffle removal 184121345](/users/2611/31/42/84/smiles/184121345.gif) , you could even start with just 2 holes in each can, ![Drilled vs baffle removal 3498837457](/users/2611/31/42/84/smiles/3498837457.gif) | |
| ![Go down](https://2img.net/i/empty.gif) | | hawktheslayer Very Valued VIP Member
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![Drilled vs baffle removal Empty](https://2img.net/i/empty.gif) | Subject: Re: Drilled vs baffle removal Thu May 28, 2015 9:32 am | |
| ![Drilled vs baffle removal 428386](/users/2611/31/42/84/smiles/428386.gif) With Sting, I drilled out the centre 2 plates then 5 holes, started at 5mm and stopped at 8mm, go up slowly and take her for a ride that way you will know when the sound is right for you | |
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