Quote:
Originally Posted by Joshinator99
This 100%. Not to mention guys that still have cats and Cat Over Temp gets shut off by the tuner… saves a ton of fuel headroom but nukes the cats. So the tuner gets to brag they did “XXX” HP on stock LT4 fueling but you get to buy new cats lmao
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Agreed...with Cats you really don't want to be leaner than .80-.82 imo.