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raising exhaust 

 

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 Post subject: raising exhaust
Posted: Wed Sep 27, 2006 4:32 am 
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hey everyone

i have heard that you can raise aftermarket exhausts so that they don't sit so low....especially for lowered cars. I got my lukey exhaust installed and now it sits about 150mm from the ground....after a trip to rye and having a full boot and back seat im guessing the muffler was sitting about 90mm - 10mm off the ground...though it looked nice i don't really want to risk getting my car defected once the car is under load.

is it hard to raise the exhaust on my own or do i have to get a specialist? btw i was thinking of somehow bending the metal that holds the mid muffler up just a little tad so that it holds it up higher....im guessing thats the only way. do stores sell any of those holder thingies but shorter in length?

phong =P~

 

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Posted: Wed Sep 27, 2006 10:09 am 
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dont see why you couldnt have a crack doing it yourself.
though you'd want to make sure you dont raise it too high, as ive heard of people having holes burnt through the floor as the exhaust was too close

 

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Posted: Wed Sep 27, 2006 10:12 am 
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Chances are they would have used the existing rubber hangers, which have stretched over time. Replacing them may lift it up 10 or 20mm. Something you can do at home.

Other than that, you'd have to start modifying (read shortening) the support brackets.

But you dont want it too close to the floor, as things can get too hot, and burn and melt. :shock:
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Posted: Wed Sep 27, 2006 10:15 am 
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To raise the first resonator the cat also has to be raised. The cat has to be loosened from the manifold so this can be done. The bracket on the trans can then be bent slightly, to make it easier i used the scissor jack to support the exuast. If the rear muffler has to be rasied the bracket has to be cut and welded again. But remember dont go too high as stated earlier, you may burn the floor carpet and the exuast will knock on the floor pan over bumps.
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Posted: Wed Sep 27, 2006 5:53 pm 
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hmm i was just thinking of raising the mid muffler a tad not too much though. and if possible make something so that it doesn't burn through the floor as u mentioned.

hate to go on a long trip and see my carpet catch on fire.

 

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Posted: Wed Sep 27, 2006 6:08 pm 
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haha you'd think you were driving a leyland if that happened :)

I spose some of that underbonnet protection over it would help with that issue. Maybe glue to the floor??

 

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Posted: Wed Sep 27, 2006 6:13 pm 
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i got mine made to sit up high, but have have hit it a few time's still.

i had the mounts shortend, well with super lows the exhuast isnt the lowest part of my car.

but check that your rubber mounts havnt streched first.

 

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Posted: Wed Sep 27, 2006 6:34 pm 
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rushed wrote:
i got mine made to sit up high, but have have hit it a few time's still.

i had the mounts shortend, well with super lows the exhuast isnt the lowest part of my car.

but check that your rubber mounts havnt streched first.


yeah im going to get new rubber mounts though the other problem is i want to get some super lows on my car....and that would make it definitely drop another 10 or 20mm or so... (dobinson super lows since they seem to be good)

but ill check both of them once i get my extracctors and hiflow cat in

cheers

phong =P~

 

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EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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Posted: Wed Sep 27, 2006 7:19 pm 
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if your getting extactors and a new cat put in it will be easy for the exhuat shop to bend the system up a bit.

 

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Posted: Wed Sep 27, 2006 7:30 pm 
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rushed wrote:
if your getting extactors and a new cat put in it will be easy for the exhuat shop to bend the system up a bit.


yeah but i was planning on putting the extractors and hi flow cat in myself...shouldn't be hard. I don't think it would be that hard to raise the exhaust myself....there are only 2 factors that keep it low...the rubber dampener and the bracket support which i hope i can flatten so it is raised a further 20mm or so...but not too high of course. i was just wondering if anyone has done this on their own or if they sell shorter brackets at the shops.

but if im lazy ill just take it to the shop i bought the extractors from and just let them do the fiddling.

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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Posted: Wed Sep 27, 2006 8:03 pm 
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i got mine raised when i got the cat back put on - they just use the existing mounts but they shorten them a bit so that it does sit higher - so if you are good with the grinder and the welder it would be easy to do yourself!!
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Posted: Thu Sep 28, 2006 12:54 pm 
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hey, just with talking about burning holes in the body, couldnt you use some heat shield material above the exhaust to refelect all the heat straight downwards?
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Posted: Thu Sep 28, 2006 12:59 pm 
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elvondel wrote:
hey, just with talking about burning holes in the body, couldnt you use some heat shield material above the exhaust to refelect all the heat straight downwards?


I was thinking that.. but then I was thinking.. you'd have to weld it onto the car and have it the right shape first.. seems a bit pricey for the small benefit.

how much is one of those rubber mounts new? cos I know mine is stretched lol
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Posted: Thu Sep 28, 2006 1:09 pm 
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There is extra heat shielding welded to the underside of the floor from factory. But it will only do so much.

I wouldnt be worried about burning holes through the floor. More worried about the metal being heated, which in turn heats the tar on the cabin floor, which will burn/melt/set on fire the carpet sitting on top of it.
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Posted: Thu Sep 28, 2006 2:25 pm 
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i agree wit arm, you dont want the exhuast to close to the floor of the car. but ive never had any trouble with my raised exhuast and melting tar, mine has about a cm between it and the floor.

you want low exhausts look at shauno, on the last cruise his was ------------- <-- that far from dragging on the ground.

 

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