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un-equal length headers on JDM STI twin scroll??

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Old 17 September 2006, 01:38 PM
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~DrEaM~
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Default un-equal length headers on JDM STI twin scroll??

is it possible to put some Ported STI 8 un-equal length headers on the STI JDM twin scroll ?? i will still keep the up-pipe...
Old 17 September 2006, 02:18 PM
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TonyBurns
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Why?
Its a BIG step backwards, and you would probably have to replace the down pipe as well.
Pro's..... errrrrrm a flat 4 sound?? :shrug:
Cons, loss of bhp, loss of torque, would need a remap, would loose that even better rally car sound (jet fighter if you like to call it that )
If you want a flat 4 sound, get a type uk
If you want a car that doesnt need to have ported headers to get torque/bhp, then stick with a JDM twin scroll
Just look at how much work you need on a type UK to get the sort of bhp/torque you do on a JDM, your going backwards doing something the car definately doesnt need (cos the original part is BETTER )

Tony
Old 17 September 2006, 02:22 PM
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Originally Posted by TonyBurns
Why?
Its a BIG step backwards, and you would probably have to replace the down pipe as well.
Pro's..... errrrrrm a flat 4 sound?? :shrug:
Cons, loss of bhp, loss of torque, would need a remap, would loose that even better rally car sound (jet fighter if you like to call it that )
If you want a flat 4 sound, get a type uk
If you want a car that doesnt need to have ported headers to get torque/bhp, then stick with a JDM twin scroll
Just look at how much work you need on a type UK to get the sort of bhp/torque you do on a JDM, your going backwards doing something the car definately doesnt need (cos the original part is BETTER )

Tony

thanks tony...

i am loving the power delivery or the twin scroll , and its going for a remap next month with all the usuall mods...

but i was just thinking if i can get the flat 4 burble as well as the twin scroll then wouldnt it be perfect?
Old 17 September 2006, 02:33 PM
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All you need on one of these for 360bhp is an exhaust and filter, you should have atleast 360lbs of torque at the end of it, 370+lbs is more like it, seen them with 400lbs with just an exhaust and filter (remapped)

Tony

PS, no I wouldnt want to change the sound back, the car is a lot smoother without the uneven idle that uneven lenght headers give you
Old 17 September 2006, 02:47 PM
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Originally Posted by TonyBurns
All you need on one of these for 360bhp is an exhaust and filter, you should have atleast 360lbs of torque at the end of it, 370+lbs is more like it, seen them with 400lbs with just an exhaust and filter (remapped)

Tony

PS, no I wouldnt want to change the sound back, the car is a lot smoother without the uneven idle that uneven lenght headers give you
thanks for the info.... just waiting to get paid then off for a remap
Old 18 September 2006, 06:47 AM
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Originally Posted by TonyBurns
All you need on one of these for 360bhp is an exhaust and filter, you should have atleast 360lbs of torque at the end of it, 370+lbs is more like it, seen them with 400lbs with just an exhaust and filter (remapped)
Care to share the data from your claims?
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