PRE Stepped diameter 4 to 1 double slip collector Header - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Jmonty · 02-16-2014, 10:09 PM

A PRE Stepped diameter 4 to 1 double slip collector Header

[/LIST]
Stock baseline Dyno was 173WHP.

For Those who were interested.

We picked up a little power top end with the tune alone which is typical but you can see that with the equal length header it opens up the power band not only up top but lower in the rev range as well. OE intake, muffler, resonator.

Temperature was about 57F in the dyno room, 29.66inHg, 90-100% humidity.

[URL=http://s88.photobucket.com/user/superlacrosseguy/media/IMG_0255_zps980128fb.jpg.html]

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Car is stock besides the new Header and Tune

Victor Draken · 02-16-2014, 10:21 PM

Tq dip is still there. Power under the curve is not that great imho.
Not bashing the header but it looks like HKS/nameless/jdl are better option.

StormTrooper · 02-16-2014, 11:10 PM

It looks like 5k on it pretty well equals those but it doesn't do as well in the mid range....

It's not a long tube header or 4-2-1

kiichiro · 02-27-2014, 11:54 PM

Has anyone installed this with a vortech and shot before and after header dyno?

Simon99 · 02-28-2014, 12:59 AM

Im just wondering whats the purpose of the springs..

gabeg86 · 02-28-2014, 02:41 AM

Quote:

Originally Posted by Simon99

Im just wondering whats the purpose of the springs..

It's slip fit. Not welded one piece. Held together with slipped fittings and the springs are just extra security

Sent from my HTC One using Tapatalk

Fizz · 02-28-2014, 04:06 AM

Quote:

Originally Posted by gabeg86

It's slip fit. Not welded one piece. Held together with slipped fittings and the springs are just extra security

I suppose it works similar to a flex-joint by allowing some movement in the header? But what are the chances of gas leaks?

Calum · 02-28-2014, 04:52 AM

Quote:

Originally Posted by Fizz

I suppose it works similar to a flex-joint by allowing some movement in the header? But what are the chances of gas leaks?

Also cheaper to ship.

Sent from my samstone

OmarGC · 02-28-2014, 09:21 AM

Price and availability?

mrk1 · 02-28-2014, 09:24 AM

Quote:

Originally Posted by Simon99

Im just wondering whats the purpose of the springs..

Really just reassurance. I have made lots of parts with double slip fits and when they are even warm its just about impossible to pull them apart.

02-16-2014, 10:09 PM	#1
Jmonty Realtor/ Principal Broker Join Date: Oct 2013 Drives: JRSC BRZ GBS LTD 2010 LTD Outback Location: Salem Oregon Posts: 899 Thanks: 806 Thanked 218 Times in 178 Posts Mentioned: 31 Post(s) Tagged: 0 Thread(s)	PRE Stepped diameter 4 to 1 double slip collector Header A PRE Stepped diameter 4 to 1 double slip collector Header [/LIST] Stock baseline Dyno was 173WHP. For Those who were interested. We picked up a little power top end with the tune alone which is typical but you can see that with the equal length header it opens up the power band not only up top but lower in the rev range as well. OE intake, muffler, resonator. Temperature was about 57F in the dyno room, 29.66inHg, 90-100% humidity. [URL=http://s88.photobucket.com/user/superlacrosseguy/media/IMG_0255_zps980128fb.jpg.html][/URL Car is stock besides the new Header and Tune

02-16-2014, 10:21 PM	#2
Victor Draken Senior Member Join Date: Nov 2013 Drives: Toyota Gt86 Location: Italy Posts: 370 Thanks: 119 Thanked 61 Times in 40 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Tq dip is still there. Power under the curve is not that great imho. Not bashing the header but it looks like HKS/nameless/jdl are better option. __________________

02-27-2014, 11:54 PM	#4
kiichiro corolla specs/GTR looks Join Date: May 2013 Drives: ooh oooh pretty tail lights Location: slower than a accord V6 Posts: 490 Thanks: 229 Thanked 113 Times in 79 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Has anyone installed this with a vortech and shot before and after header dyno? __________________ SOLD THEM BOTH Hers: 2007 987S Mine: 2012 991S That was fun, thanks Hachi

02-28-2014, 09:21 AM	#9
OmarGC My FR-S has 5 gears Join Date: Aug 2012 Drives: FRS/280z/Tundra Location: St. Louis Posts: 1,994 Thanks: 626 Thanked 1,065 Times in 572 Posts Mentioned: 49 Post(s) Tagged: 3 Thread(s)	Price and availability? __________________ Omar GC 2JZ - 6870 - stock block - 1000whp? Instagram: 2jzus

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02-28-2014, 12:59 AM	#5
Simon99 Senior Member Join Date: Jul 2013 Drives: 2013 BRZ Limited WRB Location: Ottawa, Canada Posts: 1,278 Thanks: 375 Thanked 480 Times in 260 Posts Mentioned: 29 Post(s) Tagged: 0 Thread(s)	Im just wondering whats the purpose of the springs..

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