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header questions
ok i have the magnaflow axel back kit ordered and a x pipe i want a set of headers but im confused about how the catted and all that works just messed with old school cars nothing with a cat on it. i want a 2.5 in exhaust and 1 7/8 headers do u completly delete the cats or what will it mess with the car, and how hard are they to put on these cars.
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