Headers - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

cuddefred · 05-24-2013, 02:05 AM

Hi guys,

I am starting to see lots of info from vendors (mainly US) who are claiming they have reduced or eliminated the torque dip with their replacement headers.

If anyone has done this already and could share their experience I would appreciate it as I am cnsidering this as my next mod. Cheers. :happy0180:

000 Racing · 05-24-2013, 05:31 AM

A cheap mod is to changeover the expansion joints in your factory headers.. I cut mine open to find that both outlets had an additional liner tube inside which is seriously smaller than the other side..
I had the braided expansion joints put in .. have not driven with it but has to be better !! I will keep everyone informed.. I hope to have a pre dyno on the old one with the modified one after..

Do you know what make are claiming this ??

cuddefred · 05-24-2013, 07:33 AM

Quote:

Originally Posted by 000 Racing

A cheap mod is to changeover the expansion joints in your factory headers.. I cut mine open to find that both outlets had an additional liner tube inside which is seriously smaller than the other side..
I had the braided expansion joints put in .. have not driven with it but has to be better !! I will keep everyone informed.. I hope to have a pre dyno on the old one with the modified one after..

Do you know what make are claiming this ??

Cheers for this. Apparently the Borla one has just been tested with great results but questions over the build quality. Another is FT86club but I would really like to see some independant tests before I shell out!

mswhong · 05-25-2013, 06:02 AM

nameless and P&L.

86drift · 05-25-2013, 07:16 PM

Quote:

Originally Posted by cuddefred

Hi guys,

I am starting to see lots of info from vendors (mainly US) who are claiming they have reduced or eliminated the torque dip with their replacement headers.

If anyone has done this already and could share their experience I would appreciate it as I am cnsidering this as my next mod. Cheers. :happy0180:

The Borla headers do reduce the dip a little. But just like all headers you'll need a tune to remove it completely.
I'm working on a tune ATM for my 4-1 race headers. Will post an update when it's finished.

05-24-2013, 02:05 AM	#1
cuddefred Senior Member Join Date: Aug 2012 Drives: Black 86 GT Location: Gold Coast, Australia Posts: 346 Thanks: 266 Thanked 164 Times in 85 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Headers Hi guys, I am starting to see lots of info from vendors (mainly US) who are claiming they have reduced or eliminated the torque dip with their replacement headers. If anyone has done this already and could share their experience I would appreciate it as I am cnsidering this as my next mod. Cheers. :happy0180:

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05-24-2013, 05:31 AM	#2
000 Racing Senior Member Join Date: Jun 2012 Drives: 2012 86GTS Race Car #86 Location: Sydney Posts: 220 Thanks: 59 Thanked 67 Times in 33 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	A cheap mod is to changeover the expansion joints in your factory headers.. I cut mine open to find that both outlets had an additional liner tube inside which is seriously smaller than the other side.. I had the braided expansion joints put in .. have not driven with it but has to be better !! I will keep everyone informed.. I hope to have a pre dyno on the old one with the modified one after.. Do you know what make are claiming this ??

05-25-2013, 06:02 AM	#4
mswhong Senior Member Join Date: Oct 2012 Drives: FT86 Location: AUS Posts: 253 Thanks: 83 Thanked 64 Times in 45 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	nameless and P&L.

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