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Unequal headers.

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Old 16 January 2012 | 04:40 PM
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Default Unequal headers.

Could someone briefly explain the above? What difference do they make...performance / sound etc? Costs in buying, fitting???? Ta
Old 16 January 2012 | 05:06 PM
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I hear that's what give the characteristic burble?
Old 16 January 2012 | 05:14 PM
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Unequal will keep burble. I fitted equal before, and only sounded like a Scooby on idle. Was told you may get diffent power curve, but personally go for un equal and keep the proper noise
Old 16 January 2012 | 05:22 PM
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Equal length headers allow better flow and give better torque gains but you lose the burble and instead have a awesome noise that sounds like a motor bike when at full chat
Old 16 January 2012 | 05:34 PM
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Originally Posted by AWG_STi
I hear that's what give the characteristic burble?
That's right mate it does I wouldn't bother been there done that !!!! if your going to do it don't get cheap ones it wont pay off
Old 16 January 2012 | 06:15 PM
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Originally Posted by L.J.F
Equal length headers allow better flow and give better torque gains but you lose the burble and instead have a awesome noise that sounds like a motor bike when at full chat
Ummm, well I assume I have equal ones but I have the burble Def doesn`t sound like a 2 wheeled pest Or did you mean unequal?
Old 16 January 2012 | 06:36 PM
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Originally Posted by ScoobySteve69
Could someone briefly explain the above? What difference do they make...performance / sound etc? Costs in buying, fitting???? Ta
Except for new-age JDM STIs, all scoobs come as standard with unequal headers, so your question doesn't really make a lot of sense.

It's equal headers that people most often fit as an after-market part, if they change their headers at all.
Old 16 January 2012 | 07:58 PM
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Originally Posted by markjmd
Except for new-age JDM STIs, all scoobs come as standard with unequal headers, so your question doesn't really make a lot of sense.

It's equal headers that people most often fit as an after-market part, if they change their headers at all.
Ooooohhhh, sounds like I got it wrong way round
Old 17 January 2012 | 01:44 PM
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port your standard headers and get a decent up pipe you will get better gains and quicker spool up unless your going for 400+ bhp dont put s/s headers on
Old 17 January 2012 | 01:51 PM
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Originally Posted by uk300scoob
port your standard headers and get a decent up pipe you will get better gains and quicker spool up unless your going for 400+ bhp dont put s/s headers on
+1, or get an exchange set of wrapped and ported from Harvey.
Old 17 January 2012 | 02:03 PM
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equal length headers will give you a power increase (after mapping), but you'll loose the scooby burble - it'll sound more like an evo esp if you have a twin scroll (as per the new age jdms).

as said, port your oem unequal headers and get a trick up-pipe off Harvey for better spoll up
Old 17 January 2012 | 04:01 PM
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i think the equal/unequal often gets mentioned with the sports..i myself fitted some borla unequal headers to my sport to give me that much needed burble...sounds like it should do now..
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