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Originally Posted by scottsee
Going Full name brand o2 back is the easyist. It's expensive though $500-$600. You can peice together a full 3in turbo back for around $330. I bought my 3in Megan Racing downpipe and Muffler for $179 shipped to my door. I've had 3 muffler shops quote me the same price of $150 for the 3in catback as long as I put on the Downpipe and supply them with the muffler. Just a heads up! And yes, it will increase flow, and turbo spool, but will increase boost creap if you don't port out, or buy a 2.5-3in aftermarket o2 housing.
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Ok doesnt the waste gate control boost creep? How much and how hard is it to port out or do a 3in o2? which o2 is it the cat o2 or the one in the turbo? I appreciate your help...