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The drivers side exhaust manifold is cracked on my GS300.

I'm having difficulty sourcing a GS300 specific manifold (used), for less than £300 in the UK. 

Might an exhaust manifold from a GS450H be fitted? On average they cost £110-120 delivered.

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My old GS300 was a straight six. Isn't the GS450h a V6?

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The 3rd gen GS300 is also a V6.

Because the part number for the exhaust to manifold gasket is the same between the 300 and the 450H, I reckon it'd fit onto a 450H manifold would fit onto a 300, but I'm unsure if the other end would line up with the flange of the secondary cat.

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