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Re: 2001 VW Jetta with aftermarket air filter and air box
Posted to Emissions Forum on 10/3/2008 4 Replies

I'd fail that in a heart beat, the removal of the stock air box, without EO#'s. Even the air filter itself, it wouldn't fit into stock box. Put it back to stock and watch your numbers change. Login to read more.

4 Replies Received (View Replies)