quick4dr Posted May 7, 2015 Share Posted May 7, 2015 Currently run a GS as looking to convert to catch can, any guidance? Or since I am Daily driver only should I eliminate the Aos and return to stock? I'd so anyone with stock routing diagram would be great Link to comment Share on other sites More sharing options...
Dispatch20 Posted May 12, 2015 Share Posted May 12, 2015 If you spend more time in vacuum than you do in boost, then I recommend the stock PCV. I recently reverted from a Crawford AOS back to a stock PCV. I found this thread useful for figuring it all out: http://www.iwsti.com/forums/2-5-liter-litre-factory-motor/146699-official-sti-engine-venting-o-separators-catch-cans-thread.html If you back to stock, I'd be glad to answer any questions on the stock routing, hoses, and parts. Link to comment Share on other sites More sharing options...
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