Pros: 15whp on my Nismo Catback
Cons: Rasp at 2500rpms ~ and up top. Mild fumes.
Going back to stock cats myself, already made up my mind.
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2013 Ford Mustang GT
374rwhp, 360rwtq SAE / GT500 Axle-Backs / Brembo Pack / Track Pack / Recaros / 6spd
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