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)
-   Tracking / Autocross / HPDE / Drifting (https://www.ft86club.com/forums/forumdisplay.php?f=39)
-   -   STX question (https://www.ft86club.com/forums/showthread.php?t=56281)

JerryMichaels7 01-21-2014 11:09 PM

STX question
 
So for my understanding on our cars we have 2 cat's and since we have multliple we can go catless header and get a catted FP and be good??

RiskyTrousers 01-21-2014 11:12 PM

Yes sir!

JerryMichaels7 01-21-2014 11:15 PM

Just got hooked and since I already have my coilovers orderded and a CAI installed I am going to just stay in STX, now to get some tires lol

finch1750 01-21-2014 11:18 PM

If you have any other rules questions for stx there is a discussion thread here:

http://www.ft86club.com/forums/showthread.php?t=25779

reardrv 01-21-2014 11:40 PM

I wasn't really sure of that myself do to the wording of the SCCA rulebook. It states that any catalytic converter is allowed and multiples may be replaced by a single cat. But it must be with in 6 inches of the stock location, does this mean that a single cat must be within 6 inches of the location of both cats? It's a little ambiguous.

Ranatsu 01-22-2014 01:10 AM

Quote:

Originally Posted by reardrv (Post 1469676)
I wasn't really sure of that myself do to the wording of the SCCA rulebook. It states that any catalytic converter is allowed and multiples may be replaced by a single cat. But it must be with in 6 inches of the stock location, does this mean that a single cat must be within 6 inches of the location of both cats? It's a little ambiguous.

6 inches from the location of either the front cat or the rear cat.

edit.. nevermind it apparently says specifically the final cat.

2superblus 01-22-2014 12:52 PM

Per 2013 Solo Street Touring rules 14.10

E. Catalytic converters: Any catalytic converters are allowed, but must
attach within 6” of the original unit. Multiple catalytic converters may
be replaced by a single unit. The inlet of the single replacement converter
may be located no further downstream than 6” (152.4mm)
along the piping flow path from the original exit of the final OE converter.
The extents of an OE converter are defined by the expansion
chamber in which the catalyst is contained, regardless of placement
within larger exhaust sections. Replacement converters must have
a minimum catalyst density of 100 cells per inch and minimum substrate
length of 3” (76.2mm).


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