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Here is a comparative look at the 2 1/4-inch OEM exhaust and Flowmaster’s American Thunder Series after-cat setup for ’94-’98 Cobras. Note the Flowmaster tubes’ smoother line of flow, highlighted by a much-less-aggressive bend over the axles. While the new setup is clean and fits well once it’s installed, aligning the tubes does require two people and a bit of finagling. The specific Cobra model year is critical when working with these systems, as their design was changed for ’99-’04 Cobras to accommodate independent rear suspension systems.