Will the above DP fit onto a HKS system ?
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yes I don't see why it wouldn't, long as you get the one designed for your car :)
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have you had experience of one ? performance ?
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Depends what type of HKS System it is?
Dragger or Hiper It also depends which Downpipe you use |
Its a HKS Hiper
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In that case, IMO you want the3" Downpipe from Hayward and Scott, with the flush exhaust flange at the bottom, so it meets neatly with the Hipers flush exhaust flange.
Thats what i have on my car ATM, and i have had a few different combinations. Hope that helps Steven |
hi steve,
did it make a difference in sound and performance ? :D :D :D :D |
I've got the same as you, HKS Hyper. I did have the HKS decat downpipe but I'm swapping it for a Magnex twin dump 3" top to bottom jobby now. :D
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rayman_2
You taking about the downpipe or he whole system? Hiper is LOUD IMO. Performance, it seems to have freed up a little lower down grunt in my car, but then i suspected i was restricting it with the 2 previous systems. |
the downpipe, split between the tsl or hayward one.
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Always had open neck ones just changed between 3" through and 3" tapering to 2.5".
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I had a bog standard Scoobysport downpipe (2.5") made by H&S, with a HKS Hiper.
No fitting issues! |
Andy, i just thought the 3" was better suited to the Hiper, and the 2.5 better suited to the Dragger. Maybe wrong?
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Both the Super Dragger and the Hiper have 3" pipework.
I was told to keep the 2.5" downpipe to get some sort of back pressure and help spool up. So yes a 2.5" downpipe will fit, although a 3" maybe better, depending on other modifications. |
I thought that turbo wizard man said back pressure is a no-no on turbo cars. The less the better, hence 3" is better.
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i know the dragger and hiper are 3" systems, i just thought the style of the flange where it joins the downpipe is different, the dragger being designed to suit the standard downpipe better, which is 2.5".
:confused::D |
Flanges are the same for both HKS systems, both "std" and 3" downpipes will mate up to either no problem.
As to performance the Hiper is a less restrictive exhaust by far, I run the 3" version with a Hiper ... seems to work. cheers |
Bit noisy though?
Nice mix is Drager & BPM twin-dump. Mmmm. Smoothie :) Although I doubt you'd shift Bob-type power through them :D |
Cheers Bob, think that confirms that the Dragger i had, was not a Dragger centre section.
Hiper is nice, liveable so far, even without the bung. |
is it essential you keep the oxygen sensor connected on earlier cars on the DP ?
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Locating the sensor in the downpipe as opposed to the headers is better in terms of its exposed to lower EGTs, hence lasts longer (I think :)) but its not essential that you do this.
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