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dean.mac

22 May 2016 11:14 AM

change headers for equal length is remap needed

Hi I have 2008 sti hatch with loads of mods including a full decat and MD321t turbo running 466bhp. I want to change the headers to an equal length 4:2:1 setup, will I need a remap?

SmurfyBhoy

22 May 2016 11:15 AM

Quote:

Originally Posted by dean.mac (Post 11836649)

Hi I have 2008 sti hatch with loads of mods including a full decat and MD321t turbo running 466bhp. I want to change the headers to an equal length 4:2:1 setup, will I need a remap?

Yes,
May spool earlier and run lean at points.

dean.mac

24 May 2016 04:12 PM

Just phoned my local mapper and he said it would be fine to fit this and drive it, but i would not get the most from it unless i had it mapped

The Pink Ninja

24 May 2016 04:39 PM

Who is the mapper that said that?

dean.mac

24 May 2016 05:13 PM

alan jeffery

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