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Old 02-14-2020, 05:52 PM   #3
MSU120
 
Drives: 2018 1SS 1LE
Join Date: Jul 2012
Location: Michigan
Posts: 287
Quote:
Originally Posted by oldman View Post
I ran the standard Kooks cats on my car, many hard runs through the gears never had any issues, the TS cats look similar. IMO, the guys that are running rich mixtures of meth / eth which can go as low as 5:1 A/F max rich power are injecting a whole lot more thermal heat load into the exhaust than what you are doing. i.e. the ultrarich mixtures that can be run are not completely burnt and the combustion continues on the cat substrate (which it was designed for) and that just means it gonna get heck of hot heck of fast.
Thank you. I had the standard Kooks cats on my G8 (FI) and never had an issue either.
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2018 SS 1LE—707rwhp, 615rwtq

2009 Pontiac G8 GT—605rwhp, SOLD
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