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I just installed these, I'm not sure if its an AT issue but honestly there's a lot of wiring that I ended up having to move around to get these in.
I do feel some improvement on the low end - that being said it's NOT a night and day difference. Still, I feel the BPB are probably the best bang for buck upgrade available for the twins right now.
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Current: Nameless Headerback- Crawford BPB - Zeta Intake Duct - Mishimoto Intake |