Quote:
Originally Posted by Arsenal11
So I am getting 7/8 LT headers but idk if i should get hi flows or no cats. Whats the difference when it comes to power gains and sound? Will it be so loud without cats that you can't even have a conversation inside the car?
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We only see a couple rwhp difference between good high flow cats like the ones we use and no cats. I personally run cats on my cars.