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i say get the magnaflow catback and KEEP the resonator. I just now finished completing a full magnaflow system and i love it. Dont have to worry bout drone noise till i actually floor it. While i was at the exhaust shop getting my high flow magnaflow cats installed, a guy came in with a lexus is350 with flowmasters and i think he did a res delete. He complain the noise while driving was unbearable and he wanted the flowmasters removed. He then left before getting the problem resolved. The car sounded nice when he pulled off up the street but the inside noise was a problem. If he wouldve kept the resonator he wouldve been fine.
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