Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Bolt-Ons (https://www.ft86club.com/forums/forumdisplay.php?f=60)
-   -   >> SOLD << OEM 2017 Stock Exhaust Manifold HEADER (https://www.ft86club.com/forums/showthread.php?t=140892)

Lightened 06-12-2020 06:40 PM
>> SOLD << OEM 2017 Stock Exhaust Manifold HEADER
 
>> SOLD <<

OEM 2017 Stock Exhaust Manifold Header

Approx. 20k miles - Catalytic converter appears like new

https://i.postimg.cc/xjP6p55T/header.jpg

mib911 06-13-2020 10:37 AM
So the 2017 header is different between the A/T and manual cars?

Lightened 06-13-2020 11:45 AM
Quote:
Originally Posted by mib911 (Post 3340707)
So the 2017 header is different between the A/T and manual cars?

Correct.

The 2017-2020 manual header has slightly larger diameter primary and secondary runners.

The exit pipe diameter after the catalytic converter are all the same on 2013-2020 A/T and manual models.

nikitopo 06-13-2020 12:04 PM
Quote:
Originally Posted by Lightened (Post 3340720)
The 2017-2020 manual header has slightly larger diameter primary and secondary runners.
The diameter change is 5% and 8% respectively. In fact, if you do the math, the actual area increase is more. In the range of 11% and 16.5% .

Lightened 07-12-2020 07:21 PM
SOLD


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