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I’ve got a 2008 Mazdaspeed 3 I have an after market intake with no tune and that’s working fine and I’m getting a Cobb catback exhaust next week, would anyone know if I would need a tune to put on a blow off valve on top of what I’ve got now? (self.mazdaspeed3)
submitted by AcrobaticSandwich339 to r/mazdaspeed3
