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Elliot Connor
Newbie
london
V8

Posts: 4
Reg: 09-2007

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Tuesday, October 02, 2007 - 05:44 pm, by:  Elliot Connor (Urbanterrorist) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey guys
Im getting an aftermarket exhaust for my V8 but unfortunately due to cashflow its going to be a while.
Whats the best way of getting a bit more V8 sound from the stock exhaust? Im not after more power right now but I also dont want to lose any
Just want a bit more roar when I boot it.Does removing the middle mufflers do it?
Thanks in advance
Brett Moloney
DieHard
Queensland
Supercharged UZZ31

Posts: 564
Reg: 07-2005

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Tuesday, October 02, 2007 - 05:53 pm, by:  Brett Moloney (Lxsv8) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Remove the cats and it will be plenty loud enough!
Elliot Connor
Newbie
london
V8

Posts: 5
Reg: 09-2007

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Tuesday, October 02, 2007 - 06:23 pm, by:  Elliot Connor (Urbanterrorist) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Brett Moloney wrote on Tuesday, October 02, 2007 - 05:53 pm:




Yeah but i think we need the cats for the M.O.T over in sunny UK
Mike Bradberry
DieHard
Queensland
V8 UnLimited

Posts: 693
Reg: 07-2005

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Tuesday, October 02, 2007 - 07:18 pm, by:  Mike Bradberry (Halflife) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Elliot, I think you would be better off removing the rears first and see if you like it. Then get onto the middle ones. It will be plenty loud then.
Elliot Connor
Tinkerer
london
V8

Posts: 6
Reg: 09-2007

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Tuesday, October 02, 2007 - 08:57 pm, by:  Elliot Connor (Urbanterrorist) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Apparently i dont need the cat cos the car is so old. Going to get them removed this afternoon and play around with the middle and end mufflers
Phil Bonning
Tinkerer
nsw
gt limited

Posts: 40
Reg: 03-2007

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Tuesday, October 02, 2007 - 11:03 pm, by:  Phil Bonning (Bonbon) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi,
I have removed the rears on my V8 soarer and has made it sound good with slight improvement on performance. Definitely gave a sweeter note. No longer sounds like a grandpa car lol. Easy on the ears at 110 kph on the highway but sounds good from outside and inside when putting the pedal down. Has a flange joint near diff and is very easy to replace mufflers if required too.
Cheers, Phil
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 143
Reg: 05-2006

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Tuesday, October 02, 2007 - 11:05 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah, I had the rear mufflers removed before i put the full exhaust on. Gives it a decent sound.
Elliot Connor
Tinkerer
london
V8

Posts: 7
Reg: 09-2007

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Wednesday, October 03, 2007 - 02:30 am, by:  Elliot Connor (Urbanterrorist) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just had someone take off the centre resonator and 2 middle mufflers and replace with stainless pipe.
Sounds so much better. Not loud at all but when you put your foot down it roars like a V8 should.
Pick up is quicker and the auto box doesnt change from 1st for longer
All in all £100 very well spent
Joshua Rao
TryHard
WA
2JZ-GE

Posts: 220
Reg: 09-2006

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Wednesday, October 03, 2007 - 03:55 am, by:  Joshua Rao (Soaren1) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

"Best way for more noise?" Get a girlfriend to sit in the passenger seat of course.
Ben Kelly
TryHard
Lidcombe
v8

Posts: 235
Reg: 08-2005

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Wednesday, October 03, 2007 - 09:05 pm, by:  Ben Kelly (Ace) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Joshua...that would be the good kind of noise. for the bad type upgrade g/f to wife. Then downgrade again and viva la difference :-)
Joshua Rao
TryHard
WA
2JZ-GE

Posts: 221
Reg: 09-2006

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Thursday, October 04, 2007 - 02:55 am, by:  Joshua Rao (Soaren1) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hahahahahaha
Sean Routledge
TryHard
Victoria
V8 Limited

Posts: 106
Reg: 07-2008

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Tuesday, September 02, 2008 - 07:12 pm, by:  Sean Routledge (Stircrazy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

when you guys took the rears off, did you have really bad economy for a day till the ECU sorted itself out?
Mike Beck
Goo Roo
New Zealand
Soarer Limited UZZ31 & Soarer 3.0GT JZZ31

Posts: 2427
Reg: 11-2005

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Tuesday, September 02, 2008 - 09:32 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sean, have you just taken the rear two mufflers of your Soarer?

Ive done this on 3 1UZ powered cars and never had an issue with fuel economy. All I got was a bit of a droney V8 sound quieted by the rest of the exhaust.

My guess is you must have some kind of problem with the ECU... perhaps the capacitors inside are stuffed? Not quire sure but you shouldn't have bad fuel ecconomy at all.
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 285
Reg: 05-2006

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Tuesday, September 02, 2008 - 10:32 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

umm, to be honest I never really check my fuel economy. When someone asks how much fuel it uses, the answer is just 'a lot'.

Driving style probably doesn't help.
Mike Beck
Goo Roo
New Zealand
Soarer Limited UZZ31 & Soarer 3.0GT JZZ31

Posts: 2436
Reg: 11-2005

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Wednesday, September 03, 2008 - 08:32 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hehe I usually say who cares. I just put the gas in and enjoy it.

I mean why own a V8 or turbo and be passionate about it in the first place if your going to stress over how much petrol it uses.... If that's the case those sort of people should buy a Honda Logo!!
Sean Routledge
TryHard
Victoria
V8 Limited

Posts: 110
Reg: 07-2008

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Thursday, September 04, 2008 - 07:59 pm, by:  Sean Routledge (Stircrazy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Mike, yeah i removed the rears and replaced with 2.25 pipe and quad tips. Looks and sounds alot better.
Had poor fuel economy for about 50-100 Kms but i reset the ECU and now is better than before. Getting around 11kms to the litre on the highway so i'm pretty happy now.
Now i want to hear it with the middles removed
My mechanic told me i don't have a resonator but three cats??
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 9904
Reg: 11-2004

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Thursday, September 04, 2008 - 08:01 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

New cats were supposed to be fitted for compliance. Some places just added a 3rd cat instead of replacing the 2 original ones.

Less labour cost and less cat cost.
Mike Beck
Goo Roo
New Zealand
Soarer Limited UZZ31 & Soarer 3.0GT JZZ31

Posts: 2444
Reg: 11-2005

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Friday, September 05, 2008 - 05:18 am, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Its all very well just fiddling with the factory system, but the whole thing is just junk.... it is quite awesome if you like being a stealth V8 but not my cup of tea what so ever!

Mine rattles up near the cats like a hissing snake, the cats them selves kill a few KW's, those Y joins in and out of the center resonator..... YUCK! and the muddle mufflers the pipe leading in and out is so small its ridiculous.... it must be just strangling the engine in those parts!

At least go from the cats with a full new system, as if you do any less I think your just wasting your time. :-) If you don't get rid of the center res or Cat, removing the Y joins it will always have the horrible raspy note.
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 9907
Reg: 11-2004

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Friday, September 05, 2008 - 05:55 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Though the original cats are actually quite good apparently, so if you aren't getting headers, get the pipe cut after the original cats, before the new centre one and start from there.
Mike Beck
Goo Roo
New Zealand
Soarer Limited UZZ31 & Soarer 3.0GT JZZ31

Posts: 2446
Reg: 11-2005

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Friday, September 05, 2008 - 11:24 am, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Peter Nitschke wrote on Friday, September 05, 2008 - 05:55 am:

get the pipe cut after the original cats, before the new centre one and start from there.




Yeah, like what you did on your soarer and I in turn did with a cat back dual system is a good bang for dollar modification. Around $800 can see it done well, its just the extra 700 odd for headers that bumps the price up and makes it a bit scary.

Hows your 2.5" dual system been going lately Peter? The lukeys still in top shape still?
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 9909
Reg: 11-2004

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Friday, September 05, 2008 - 12:10 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Loving it!
Mike Beck
Goo Roo
New Zealand
Soarer Limited UZZ31 & Soarer 3.0GT JZZ31

Posts: 2447
Reg: 11-2005

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Friday, September 05, 2008 - 07:35 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Neato!

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