Quote:
Originally Posted by Munz91
I have the hi flo cats with the headers.
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Intersting. I've got LT's and high flow cats with stock mufflers. Still stock motor and have been considering Borla Atak axle back with my setup, but have been debating whether it'd be too loud.
In your case, the cam is likely really cranking it up. You would likely be best with stock NPP's behind your LT's.