hp gain
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The Header sold on MVP rates ~17WHP increase. I would imagine the OBX would be similar. I purchased the MVP header to keep me happy until I finish my boost setup. It will be some time before I install it, but I plan on getting my SC dyno'd stock, then after I do all my A/M mods.
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Durty, I'm actually in Iraq for some time so I can't post any videos or pictures, sorry. The previous post is the average gained for that style of header, but I have not yet installed it as I am out in the dirt :P I will be posting a nice thread on Stock Dyno, Header and Exhaust Dyno and some other stuff.
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