Drilling out a CAT ?
11 June 2002, 01:06 PM
#1
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Hi,
I've got a spare exhaust rear section with CAT from a MY01.
Anyone got any ideas how to remove the CAT leaving a stealth straight-thru pipe ?
Alternatively - anyone want to swap it for a straight-thru pipe ?
Cheers
Chris
I've got a spare exhaust rear section with CAT from a MY01.
Anyone got any ideas how to remove the CAT leaving a stealth straight-thru pipe ?
Alternatively - anyone want to swap it for a straight-thru pipe ?
Cheers
Chris
11 June 2002, 01:42 PM
#2
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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Cut it out and weld it up... if your near leeds Ill do it for free for you... Assuming you find a bit of tube to replace it with...
David
David
11 June 2002, 03:48 PM
#4
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David,
I'm surprised you just didn't tell him to bring over some scaffolding poles and you'd fabricate a new one
Hope your not letting your bodging standards slip
Stefan
I'm surprised you just didn't tell him to bring over some scaffolding poles and you'd fabricate a new one
Hope your not letting your bodging standards slip
Stefan
11 June 2002, 03:49 PM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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What you trying to say about me???
Scaffolding is too heavy, (To run off from building sites with that is)
Going to make a quickshift for less than a tenner tonight... and I aint joking..
David
Scaffolding is too heavy, (To run off from building sites with that is
)Going to make a quickshift for less than a tenner tonight... and I aint joking..
David
11 June 2002, 03:53 PM
#6
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Going to make a quickshift for less than a tenner tonight... and I aint joking..
I never doubt any of your statements
You're a credit to us all; stand up an take a bow 
Stefan
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11 June 2002, 04:39 PM
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Having never seen the inside of a catalytic converter - would a power hose be powerful enough to blow the stuff out do you think?
Or perhaps one of the drill things for unblocking drains ?
Chris
Or perhaps one of the drill things for unblocking drains ?
Chris
11 June 2002, 04:56 PM
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Location: Surrey Somewhere, From 341 bhp '99 STI V to '98 Merc CLK & '00 Peugeot 306 XSI to '01 E46 M3 :)
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I've removed a cat on a old car of mine, by taking off the centre section, basically smashing the ceramic internals out, basically a cat is a honeycomb (toxic) with pieces of gold in it, using a similar size pole straight thru took a while but once it's started to break up then it will start to come out a lot easier, may be worth doing it on a spare piece of pipe tho.
11 June 2002, 06:57 PM
#11
If you can get a long masonary drill ( a big 20mm dia preferably)you can easily drill most of it out. As the previous post states, once broken up the rest comes out quite easily followed by the steel retainer (in 2 parts).
Don't breath the stuff in, wear a mask and do it out side.
If you do just the centre section you probably won't notice an increase in noise. There isn't much gain in performance either until you do the same to the DP (but that's a bit trickyer to do...).
F
Don't breath the stuff in, wear a mask and do it out side.
If you do just the centre section you probably won't notice an increase in noise. There isn't much gain in performance either until you do the same to the DP (but that's a bit trickyer to do...).
F
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