I think raptor makes headers for the Subaru 6, but I'm not sure if anyone has done it. I would think there would be issues with the o2 sensors not working properly and therefore check engine lights.
long tube headers and less restrictive exhaust system
Has anyone gone to the trouble of installing long tube catless headers and a more flow through exhaust on their 3.0 B9? Just wondering if i could gain 10 hp and have a great sound. Their is a guy in my neighborhood with a Jeep, V8, very noticeable exhaust system and special wheels, all black. I think I could duplicate that image with the Special Tribeca, my Signature SV-104 forged black power coated chrome wheels, and headers, no cats (State of Washington does not require EPA testing for car made before 2009), and a flow through muffler. Any ideas? Sort of going down the WRX/STI rabbit hole here.
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https://www.youtube.com/channel/UCmR_J-vrWY0QDh5JgKMV_Dw - this guy has done almost everything possible on 3.0 h6, though in legacy and manual.
lambdas are ok. custom tune would certainly help.
lambdas are ok. custom tune would certainly help.
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