cutouts?
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You won't be happy with the sound of the dual cutouts open if you still have the cats. Won't have the "open header" sound. And when the dual cutouts are opened the tune needs to be changed if you're seeking max performace.
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I'm just saying for "max" performance a tune is needed. If he doesn't have a good handheld programmer or tuning software already I wouldn't mess with the tune. Not worth $75-$200 to have some shop make a few tweaks. I'm use to 500+hp cars running 10s that want every single horsepower out of their setup.
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