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gutting pre-cats for DIY Piggies is a bleeach!

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Old 05-06-2008, 12:47 PM
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Default gutting pre-cats for DIY Piggies is a bleeach!

anyone have any clever methods of getting this junk outta here? i've been drilling and chipping away for hours and i'm still only about 60% through the first one.
Old 05-06-2008, 01:04 PM
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Default PITA: You need the extended swivel and you need to go at a few bolts from the engine bay.

Other than that, watch your knuckels. Once they're out the gutting is easy. You an see in my pic poster the right way to remove the cats. Then it's all gotta go back in. Yeah!
Old 05-06-2008, 01:06 PM
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Default put the DPs in a vise and drill holes all the way through the pre-cats

then use the drill like a saw and go back and forward cutting them. Then get a flat chisel and a hammer and pounder it then there, use a pipe wrench to hold on to the chisel and turn it....My first one was like yours and i took it to a friends house and we put it in his vise. The vise is the most important part cause it allows you to put good pressure on it. My second DP took me 30 mins. I also use a corded drill cause my cordless wasnt powerful enough. make sure you have some real long drill bits
Old 05-06-2008, 01:17 PM
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The vise is the most important tool in any garage...
Old 05-06-2008, 02:05 PM
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Default thats the only time I needed a vise...

I have a smaller one but i never use it
Old 05-06-2008, 02:38 PM
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I use mine all the time for all kinds of projects.
Old 05-07-2008, 06:00 AM
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Default My step by step...

<ul><li><a href="https://www.audiworld.com/tech/eng.html">Write up</a></li></ul>
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