EJ25 - 2.5L Non-Turbo (1998-2010)
Background: N/A 2001 Forester S, Custom 2.25 inch magnaflow catback, stock headers, stock 1.75 inch(?) dual cat pipe (gutted).
My goal is to acheive a nice tone, but also be decently (noticably) loud. Which would be louder?
A: My stock gutted dual cat pipe
B: My stromung Single highflow...