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Author Do you scrape your centre section? (willay's exhaust troubles)
willay
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Registered: 10th Nov 02
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31st Jul 06 at 06:50   View Garage View User's Profile U2U Member Reply With Quote
Wasnt sure if this is for help or general.

The reason why I'm asking is because my car sits pretty low, and sadly so does the cat-back magnex system I have on my corsa.

What this results in is lots of scrapes, and the other week my car was stuck in a kwit-fit ramp (they had to get a couple of lads to lift my car up by the back arches to get it off... )

Now, I think this has also caused my centre section to fuck itself due to it sounding rather rattly under there and just a general shite horrible sound! I have managed to get Magnex to send me a new centre section under warrenty (with rimstyles help - but havent recieved it yet) however it wont fix my problem and a few people have commented on how low the box sits

Lately my system has also pulled itself apart, so now it sounds like I drive round a world war two tank around which is cool for about a 5th of a second.

Now from my point of view I have three options:

a) live with it and destory centre sectiosn
b) raise the car abit (gay)
c) find a smaller box

I'd like to go option C personally, but I'd be interested to know if anyoen else has the same problem, and if so what are they using?

Essay.
Rob B
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Registered: 8th Jan 04
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31st Jul 06 at 07:16   View User's Profile U2U Member Reply With Quote
Yeah i do , all the same symptoms as you, having to get people to lift the arches to get it on the ramp

I only scrape it if i go over speed bumps taht are little boxes, if i go ove it with one wheel on one box and one wheel on the other it doesnt scrape >
willay
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31st Jul 06 at 07:16   View Garage View User's Profile U2U Member Reply With Quote
Rob what system are you running underneath?
Rob B
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31st Jul 06 at 07:24   View User's Profile U2U Member Reply With Quote
Erm... Piper de-cat and centre section, powerflow backbox.
dna23
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31st Jul 06 at 07:37   View User's Profile U2U Member Reply With Quote
have u tried using different exhaust mounts which are shorter and raise it up slightly?

also, the scraping can sometimes be the exhaust knocking on your rear axle to? this can often be solved by using a smaller clamp or one which isn't as thick (like a jubilee clip)

Mine scrapes but only on speed bumps if i go fast - so i just drive slowly and go up one wheel at a time
willay
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31st Jul 06 at 07:41   View Garage View User's Profile U2U Member Reply With Quote
its the centre section that scrapes ( know by position of my car). When we had it up on the ramps we punched the can about abit and you could see that it wasnt hitting the heat shield or anything. Just crap inside rattling about.

I'm not sure how low my car is, but the coilovers are pretttttty low with the 15s
dna23
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31st Jul 06 at 07:44   View User's Profile U2U Member Reply With Quote
May be worth trying shorter exhaust mounts to raise it and also stiffer one's so it doesn't bounce as much...

Alternatively have you considered running a straight through? that shouldn't scrape at all or as you said having a smaller centre section made up.
willay
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31st Jul 06 at 07:56   View Garage View User's Profile U2U Member Reply With Quote
straight through? All I have at the moment is a centre section and a backbox and its loud enough Need that back pressure!!

Going to bother some exhaust/tyre monkeys after work so we'll see what they have
bradgsi
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31st Jul 06 at 07:58   View User's Profile U2U Member Reply With Quote
i Have a straight through and i only catch on speed bumps and things
Ojc
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31st Jul 06 at 07:58   View User's Profile U2U Member Reply With Quote
Powerflow is the way forward, I find exhausts bought off the shelf to be a pain in the dingo, always rattling and banging.
dna23
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31st Jul 06 at 08:02   View User's Profile U2U Member Reply With Quote
May aswell try those stiffer mounts for a few quid it can't hurt!

http://www.powerflex.co.uk/exhaust.asp
3CorsaMeal
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31st Jul 06 at 09:12   View User's Profile U2U Member Reply With Quote
make the suspension more practical
Adam-D
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31st Jul 06 at 09:13   View User's Profile U2U Member Reply With Quote
stu scrapes his
60mm on 14's

he goes over speed bump at a angle front left first

i cliped mine mine was 60mm on 15's with 50 profiles

both cars had/have scorpian ful systems
jr
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31st Jul 06 at 11:14   View User's Profile U2U Member Reply With Quote
magnex boxes are massive though, we ripped fads off on a cat's eye on the 127
willay
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31st Jul 06 at 11:23   View Garage View User's Profile U2U Member Reply With Quote
thats what i wanted to hear, and to think it was fucking fad who reccomended magnex to me
jr
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31st Jul 06 at 11:28   View User's Profile U2U Member Reply With Quote
There brilliant systems, just massive though
willay
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31st Jul 06 at 11:30   View Garage View User's Profile U2U Member Reply With Quote
what do you suggest jr... I could get the centre section custom made which will mean i'll have.... a magnex backbox
jr
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31st Jul 06 at 11:31   View User's Profile U2U Member Reply With Quote
i would raise the centre box up with some better mounts personally
willay
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31st Jul 06 at 11:33   View Garage View User's Profile U2U Member Reply With Quote
looking at the powerflex jobbies tbh.
bigrabbelfast
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31st Jul 06 at 11:42   View User's Profile U2U Member Reply With Quote
im running my fk coilovers on the second last thread with a powerflow straight through centre it only scuffs a few extra tall ramps round work
3CorsaMeal
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31st Jul 06 at 13:12   View User's Profile U2U Member Reply With Quote
my mongoose box scrapes my car is only 40mm lower, mongoose boxes are like dustbins

thought they had given me a skyline exhaust at first
marklawton
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31st Jul 06 at 17:54   View User's Profile U2U Member Reply With Quote
ive got a magnex cat back system on mine, mine scrapes must speedbumps no matter how slow i go, ive ripped one of the hagers that holds the middle box up,


need it to get welded back on or buy a new middle section
loo_goblin
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31st Jul 06 at 22:29   View User's Profile U2U Member Reply With Quote
u got standard centre section that sits low as, then on my coilover steelie combo it aint good
Reedy
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31st Jul 06 at 22:44   View User's Profile U2U Member Reply With Quote
it must be a magnex thing. My centre section scrapes. But then i went under and got out some trusty cable ties and done the job but i still get scrapes over one type of bump( try to avoid at all costs ).
jamesvalver
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Registered: 21st Feb 03
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31st Jul 06 at 22:45   View User's Profile U2U Member Reply With Quote
my centre section is fine but my manifold scrapes sometimes

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