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Discussion Starter · #1 ·
I just bought a used '01 1.8T.

The only thing done to it is an intake.
Is it ok to throw on a B-O Valve w/o anything else done?

I love the sound... and can't wait to throw it on, but I'm new to the VW world. :-\
Will it hurt my engine to add it now?
Should I get a new exhaust system or anything first?
Any websites or brands to consider?

*Also, when the intake was put on, it gave me a check engine light. When I checked it, there were 2 codes. P0411 "Incorrect Flow on Secondary Air Injection System" and P1128 "Bank 1 System Too Lean for Long Term Fuel Trim mult." Does anybody know anything about that? Is it ok? It seems to be running fine...
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