Magnaflows would be my choice. They are tolerable at low RPMs and cruising. You open them up and they are loud. They also have a large selection of custom styles and sizes. They are a good design that doesn't restrict flow or power.
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Trey
Current ride: 2001 BMW 540iT soon to be manual swapped.
Former rides: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
00 BMW 540i/6: Suspension, wheels, and ACS bits.
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