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High-Flow Cats

Daryl333

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Daryl
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Been talking to ARH about Cats and he says their's are good for about 700HP.
I just got off the Dyno today and put down 677 WHP. So prolly around 750 Crank. (6R80)
So for now I think I'm good but he is looking into a smaller OD Cat for me.
Thx for the pics.
If I do get some I'll go down to the 4" OD for a bit more clearance.
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2021 Mach 1

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Before and after cold starts with stock vs Kooks LTHs and high-flow cats:

 
 








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