Originally Posted by zebra i might've just missed it in the thread, but will stock 99-02 5.3 exhaust manifolds bolt up to the stock 99 4.3 downpipes & cats? yep...sure will
↓↓↓click pic to go to garage↓↓↓ 408, WCCHL92s, nelson tune,4L80e 3600 Circle D, Intro Radicalli's
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Originally Posted by zebra
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