Joined: 20 Oct 2007 Posts: 39 Location: orange, california
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If your planning on upgrading your turbo. 20g or larger most the time you will need to upgrade your inlet pipe. Companies like Aps, Perrin, and Samco make good inlet hoses. Most of the time people will cut the stock inlet hose out and fish the new in. but if you get a set of tgv deletes you will need to pull intake manifold out completely. Recommend doing these while doing turbo inlet hose.
Tgv deletes. removes cold start up butterfly flaps. Also the passage divider is cut out. this upgrade will improve air flow into the heads.
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