wrx/sti up-pipe
04 May 2011, 11:29 AM
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wrx/sti up-pipe
hi, i've seen a wrx/sti up-pipe for sale would this be any good as a replacement for my standard wrx one ?
04 May 2011, 11:29 AM
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04 May 2011, 11:34 AM
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sorry i forgot to say, its a 2001 wrx.
04 May 2011, 11:55 AM
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If yours is a bug eye wrx it will hav a cat in it so a sti or decent aftermarket is a good upgrade
04 May 2011, 12:12 PM
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thats for that birchy ! i think i'll buy the up pipe then ! what kind of performance gains should i expect ?
04 May 2011, 12:43 PM
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Not much with just the up pipe, you should get better spool up on the turbo at least.
04 May 2011, 12:45 PM
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That's ok mate. It won't help with outright power more than a few bhp and a few more torque but the main purpose is it will help spool so your on boost quicker and earlier. It also reduces the risk of the cat breaking down and disintegrating while letting it's internals through the turbo. I swapped my wrx up for a sti item
On my way to 322/331 off a vf35 unit.
04 May 2011, 12:56 PM
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STi item has no EGT sensor boss.......you will have to deal with the CEL by way of a resistor fix or re-map.
Shaun
04 May 2011, 02:32 PM
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don't buy an big ebay blingy one, the diameter is far too large and reduces spool and creates lag. second hand sti up pipe will do or even one off a classic will fit, i am told.
If you want the best gains and best up pipe, then harvey(on here) is your best bet
04 May 2011, 03:06 PM
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As Tazz says a classic pipe will fit thats what i fitted to mine although Harveys pipes sound tempting
04 May 2011, 07:35 PM
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got a std sti up-pipe sat here, make me an offer if your interested
04 May 2011, 07:47 PM
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04 May 2011, 08:03 PM
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replied too
04 May 2011, 08:29 PM
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2.2 k ohm resistor will turn off the CEL .
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