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What is involved in a swapping a HX 35 for a HX 40? or is it a direct bolt on?
 

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I've heard it's direct bolt on to the manifold, but a 4 inch downpipe for an HX 40 is necessary. I have both at the house ready to go on, if I ever get around to putting them on, i'll let you know more.:thumbsup
 

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HX40's can come with a different manifold flange. but for the most part they will bolt right on. worst case an adapter at the manifold and a downpipe. the intercooler line will clamp right on. unless the 40 has a hose connection.
 

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HX40's can come with a different manifold flange. but for the most part they will bolt right on. worst case an adapter at the manifold and a downpipe. the intercooler line will clamp right on. unless the 40 has a hose connection.
we have a t3 flange so as long as it has that style it will bolt up be carefull tho some have the t4 flange witch is bigger basically...
 
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