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I have a 2011 wrx with Catback exhaust and was looking to modify the car a lot more.. if I could get the “stages” explained to me and what mods they involve that’d be great. Thanks

Master linguitist
10,009 Posts
Depends on the company marketing the package. I'll go with Cobb since it's the popular choice.

Stage 1 accessport tune

Stage 1+ cobb intake and accessport tune

Stage 2 turbo back exhaust with 3" catted down pipe and accessport tune.

Stage 2+ turbo back mentioned before, cobb intake, and accessport tune.
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