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| djshao |
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Hi All
I am fairly new to the Sydney Scene and looking at others opinions of where the best and most affordable places are for a new 2.5" Mandrel Bent Exhaust + 2.5" Cat + Extractors fitted. Thanks for your advice in advance. Thanks DjShao |
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| ReGiE |
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most exhaust places are around the same prices.
where abouts in Syd are you living?
_________________ Gooooone - Eb2 Coon - 143RWKW |
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| djshao |
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I am in Blacktown.
I was quoted $1300 or I can buy buy parts for $700 and get fitted for $300. I read some posts in the forum that say it should only cost around $700-800. So am curious as to where these places are as it appears a big discount. Thanks Duarne |
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| fordfreak ef |
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crescent motor sport could cut you a good deal seeming as you are from this site... and they are site sponsors..
 good guys to deal with too... my car is there atm getting a new head and cam package...
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| Johnson stroker |
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Merrylands Budget exhaust. I got my 2½ inch system fitted there. Redback system, mandrel bends, $395 bout 18months ago.
They are pretty close to blacktown. worth a call. yellowpages.com.au for the number though
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| jjohnno |
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sureflo exhaust ingleburn, pretty sure they give u a free dyno run after it aswell
 , not sure on prices
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| green machine |
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well i payed all up around $1000 got cresent motorsport to do the paci-comps (4480) and 2 1/4 high flow cat (You don't want to go any bigger than 2 1/4 with the cat or you will lose back pressure and lose power down low) for about $600 and had a mate that worked at carline mufflers in smithfield do my cat back for $400.
I didn't want to go for another cheap system as i have already gone through two before.
_________________ custom airbox,custom intake |
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
green machine wrote: and 2 1/4 high flow cat (You don't want to go any bigger than 2 1/4 with the cat or you will lose back pressure and lose power down low)
Going a smaller diameter cat defeats the purpose of fitting the 2 1/2" exhaust. Might as well keep the original 2 1/4" exhaust. The exhaust only flows as good as the most restricive section in it... |
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| djshao |
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Thanks for the leads guys I will call around on Monday.
Thanks Duarne |
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| Grimketel |
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your not taking into account gas velocity. A 2.5 zorst with a 2.25 in cat will flow better than a 2.25 zorst with 2.25 cat, because it squeezes the gas at the cat which then expands as it enters the 2.5 in zorst increasing velocity. Flow isnt all about diameter. Unfortunately that little devil velocity comes in a complicates everything....
its a good compromise between better flow and keeping compression. as for "The exhaust only flows as good as the most restricive section in it...", theres no point doing your exhaust at all if it has a muffler on it under that theory.
_________________ enough isn't enough |
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
More Grunt wrote: theres no point doing your exhaust at all if it has a muffler on it under that theory.
If only the gov let us run straight pipes through the bonnet.... |
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| fordfreak ef |
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FordFairmont wrote: More Grunt wrote: theres no point doing your exhaust at all if it has a muffler on it under that theory. If only the gov let us run straight pipes through the bonnet.... 
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| djshao |
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true that. hehe. fordfreak ef
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| FORD4EVA |
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Liverpool exhausts $900 whole 2.5" system with hurricane extractors and h.f. cat
_________________ PACEMAKER 4480, SS H/F CAT, 2.5" REDBACK, INTAKE PIPING, K&N PANEL, PIONEER TV |
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| green machine |
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FordFairmont wrote: green machine wrote: and 2 1/4 high flow cat (You don't want to go any bigger than 2 1/4 with the cat or you will lose back pressure and lose power down low) Going a smaller diameter cat defeats the purpose of fitting the 2 1/2" exhaust. Might as well keep the original 2 1/4" exhaust. The exhaust only flows as good as the most restricive section in it... More grunt knows what i'm talking about! the zorst doesn't work the as the intake,bigger pipe doesn't mean better flow. I did my study's on this before i did it and had a long chat with joe from cresent motorsports about this and worked out the 2 1/4 cat will help keep the velocity through the zorst and there for help keep the bottom end power!!
_________________ custom airbox,custom intake |
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