SGP sells their TD05 kits with modified manifolds. I can't comment on their reliability...maybe Kyle can. Greg Dupree also modifies manifolds. ZHound could tell you more of what is involved in getting these manifolds to live. Unmodified Greddy's will not last. Welding will only delay cracking unless other mods are done to remove some of the weight load off of the manifolds. Braces to support the weight of the turbos and midpipes are helpful.
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