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14th February 2017, 09:08 PM
#31
So it's exhaust time!
I'm settled on a 3" exhaust and am happy with that decision.
My question is .... will the exhaust drone at highway speed if I don't include a muffler? I'd like to not fit a muffler unless the feedback I get tells me that it's too noisey in the cabin. I'm not fussed what it sounds like outside.
Thanks.
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14th February 2017 09:08 PM
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14th February 2017, 10:12 PM
#32
It will be louder than with a muffler and will drone, but only a little. These motors aren't noisy. So no muffler is fine but even if the sound output is under the regulation limit, with no muffler its not road worthy. Not much of a big deal but i thought to say this so you know, if you didn't. If you want a muffler, just get a hot dog so it pretty much does stuff all but its there and legal.
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14th February 2017, 10:20 PM
#33
Patrol God
Which kit you leaning towards matt?
As you heard mine, the cat and muffler isn't loud, but its a nice deep note.
No drone.
If you keen to try no muffler I'd say give it a go.
If your not happy $200 will see you with a replacement section on a muffler installed by an exhaust shop..
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14th February 2017, 10:39 PM
#34
Originally Posted by
bigguwesty
Which kit you leaning towards matt?
As you heard mine, the cat and muffler isn't loud, but its a nice deep note.
No drone.
If you keen to try no muffler I'd say give it a go.
If your not happy $200 will see you with a replacement section on a muffler installed by an exhaust shop..
Actually the mob i got my current system from, manumatic i think it's called(they make the Redback systems) sell the rear section in three variants. Muffler, hotdog or no muffler. It was about $100 for the rear section to buy. This mob is in Epping and you can buy direct from the factory there.
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BigRAWesty (14th February 2017)
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14th February 2017, 10:41 PM
#35
I really didn't know it was illegal to have no muffler, thanks for letting me know Mark.
I'm not sure what kit I'll end up with, maybe DEA or Playtime. Yeah, yours is no noisier than stock Kallen, it just sounded more open, but no noisier. Do these mufflers restrict much?
And which is the less restrictive cat the 100 or 200.
And another thing. Under intercooler fans. Very easy job, hardest part will be finding a good quality fan coz they'll cop lots of heat and a good drenching when water comes in through the IC scoop on the bonnet.
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14th February 2017, 10:42 PM
#36
Patrol God
Originally Posted by
mudski
Actually the mob i got my current system from, manumatic i think it's called(they make the Redback systems) sell the rear section in three variants. Muffler, hotdog or no muffler. It was about $100 for the rear section to buy. This mob is in Epping and you can buy direct from the factory there.
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Yea playtime do the same.
Can do basically the same, muffler, hot dog or straight threw..
I have the muffler so enquired about the straight threw and it's $90 delivered..
Obviously a section with muffler will be more..
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mudski (14th February 2017)
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14th February 2017, 10:50 PM
#37
Originally Posted by
10G
I really didn't know it was illegal to have no muffler, thanks for letting me know Mark.
I'm not sure what kit I'll end up with, maybe DEA or Playtime. Yeah, yours is no noisier than stock Kallen, it just sounded more open, but no noisier. Do these mufflers restrict much?
And which is the less restrictive cat the 100 or 200.
And another thing. Under intercooler fans. Very easy job, hardest part will be finding a good quality fan coz they'll cop lots of heat and a good drenching when water comes in through the IC scoop on the bonnet.
When i had my Di and went from a muffler to no muffler i did notice an increase in mid range power. So it works...
I wouldn't bother with the ic fan personally. Not a lot of gain, if any, for the cost and time to fit one in. Get a better scoop for the bonnet. That will work much better.
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15th February 2017, 10:13 AM
#38
Originally Posted by
mudski
Get a better scoop for the bonnet. That will work much better. Sent from my GT-N7105T using Tapatalk
Interesting you said that Mark. Yesterday I pulled up at lunch time. Had been driving at 100km/h for 20 or so minutes and checked the intercooler. The tanks were considerably warmer than the centre finned section which made me think that a fan may not be of as much use as I was thinking because the tanks were so much hotter than the centre section. My thinking is the entire IC needs to be cooler to make any considerable difference.
So yes, I reckon you're right about a better bonnet scoop.
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15th February 2017, 10:26 AM
#39
Yeah theres a mob called A.R.E who make a taller scoop. Which is a factory fit. But they are expensive. I think I paid $550 for it about 4 years ago. When I did the conversion I changed intercoolers so a larger scoop was needed. I sold my A.R.E scoop for $300 and bought a Fairline Fibreglass scoop new and delivered for $365. But the bonnets needs a bit of trimming to make this one fit. There is plenty of other options around now for scoops, you just gotta find them....
A.R.E Scoop1418001443898.jpg
Fairline Fibreglass scoopuploadfromtaptalk1440759755582.jpg
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BigRAWesty (15th February 2017)
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15th February 2017, 10:56 AM
#40
Patrol God
Cat cpi is a very open topic lol.
If simply the cpi changes then a 100cpi will flow better than a 200cpi.
But take my Scott's rods cat.
Its 200cpi in a 4" body.
So although I have more cores per inch than the stock playtime cat it flows the same if not better.
The Scott's rods cat is also completely stainless where as the playtime one is ceramic core when I investigated.
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mudski (15th February 2017)