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Old 11 June 2017, 10:40 PM
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SubieJack
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Default Power upgrade

Hi guys,

My 05 STi is running 330bhp with PPP. If I went turbo back or just changed the downpipe for a 3" one and remapped it, what sort of power would that make? I've seen that the max power for the VF35 is anywhere between 330-350?
Old 11 June 2017, 10:48 PM
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Brun
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If you're already running 330 then I wouldn't bother. Surely it's already had a map to achieve 330!
Old 11 June 2017, 11:01 PM
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SubieJack
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Yeah it's had a map on top. I was just seeing what people would say.

Do you know what 3" catback exhausts there are, other than the Blitz nur spec?
Old 12 June 2017, 10:17 AM
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Vxr2010
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do a cat back if you want a bit more noise and better flow , i would not bother doing any thing else , it's quite a lot of money for minimal gain , i prefer driving the car with the original cat in place v a sports cat and the power difference feels minimal
Old 12 June 2017, 11:28 AM
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yabbadoo4
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not worth the bother m8, my bug sti is making 340 bhp with a decat and ported headers. if you want more power its turbo upgrade time!
Old 12 June 2017, 01:01 PM
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Tidgy
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330 with all cats still in place?
Old 12 June 2017, 02:13 PM
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SubieJack
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It has the full Prodrive exhaust setup, so sports cat, one of the centre cats deleted, and the prodrive backbox. It also has the rear pipe non-resontated.

Just bought an afterburner raptor Anyone know where I can get the rear pipe (from cat to muffler) in 3" and not 2.5?




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