L99 and LS3 stock exhaust manifolds are the same?
I'm 99% sure but I need to know if the stock exhaust manifolds are the same. I know the catted extension isn't exactly the same.
The L99 catted mid-pipe will work on an LS3 but the LS3 will not fit very well on an L99 but is doable.
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L99 With a Maggie
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