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Old 03 July 2007, 08:42 PM
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Black-Hawk
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Question up pipe info

just wondering if i should replace the up pipe on my 2.5wrx my06 with a de-cat, has anyone done this and are there any gains? she's 330/350 on power station rollers and the guy behind the desk said that cat will be hiting the power, but couldnt say by how much, what you think?
Old 03 July 2007, 09:03 PM
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welsh scoob
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from what little knowledge i have from my scoob, any type of cat is going to be restricting, but if you do change it make sure you get a decent replacement section, like from scooby world.


http://www.scoobyworld.co.uk/catalog...products_id=76

cheers mark
Old 03 July 2007, 09:12 PM
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milf hunter
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had mine remapped by Bob Rawle still as cat fitted and is 359 bhp and 378lb of torqure .the gain will be about 20bhp when removed but will be noisey
Old 03 July 2007, 09:13 PM
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Trap2Terrorist
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I've got an MY01 WRX, I went from 262/256 (mapped with all cats on) to 282/282 remapped with a full decat, incl. up pipe.
Old 03 July 2007, 11:13 PM
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Black-Hawk
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think i'll loose the cats then.
Old 04 July 2007, 11:18 AM
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JDSWORD
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Sorry to jump on this thread but I've just booked my car in with Prospeed in Cardiff to replace the up pipe. They are doing a custom pipe for my WRX. Will I need a remap after this is done or will the engine management system be able to 'adapt'?
Old 04 July 2007, 04:24 PM
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"Taylor"
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Hi Scooby 329, sorry i mean 401 I reckon you should lose the cats and then you'll be happy

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Old 04 July 2007, 07:08 PM
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Originally Posted by JDSWORD
Sorry to jump on this thread but I've just booked my car in with Prospeed in Cardiff to replace the up pipe. They are doing a custom pipe for my WRX. Will I need a remap after this is done or will the engine management system be able to 'adapt'?
dependant on age yes i think you will.
Old 04 July 2007, 07:19 PM
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MrRA
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Didn't think the MY06 cars came with a cat in the up-pipe, only the downpipe?
Old 04 July 2007, 10:24 PM
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Black-Hawk
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the guys at power station seem to think its got one,
Old 04 July 2007, 11:02 PM
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53
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What are your mods matey to get 330/350 on power station rollers ?
Old 05 July 2007, 07:32 PM
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330/350 disapointed with that figure suspected a problem so investigated and found intercooler pipe come away from turbo, rectified it with a new pipe but no time for another run. mods are; full revolution 3" system with 100 cell cat, zero sports intake kit and pipe kit, pfr7 plugs, sytec uprated fuel pump, td05-20g turbo, sti-v8 intercooler, andy forest tec 3 custom map (ecutec), wraped pipes. andy estimated 360-390bhp so i was gutted with 330 but i'll go up again when the up pipes fitted.
Old 08 July 2007, 10:15 PM
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