Anyone Know If The Garrett Kit For 05+ Cobalts Will Fit On Earlier Year Ecotecs(L61) This Might Be A Dumb Question But I Cant Find It Anywhere That Says They Changed The Head In 05 From Previous Design Or Should I Just Get The Hahn Kit

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Thatd be cool to know if it fits

I'm sure the manifold and turbo would fit, but the downpipe and charge pipes would have to be modified. Last I heard, all ecos have the same intake and exhaust mani patterns.

So, unless your really hurting for a Garrett turbocharger, you may as well go with hahn. Otherwise, a custom piece-together kit will get you there cheaper.