I'm thinking a side mount a to a with an electric cooling fan and a ram air that will help cool it down. That should keep the tubing short and the lost of boost, but keep the air cool.

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84 300sd 2.47 dif 360k
26 mpg needs lots of love
given to me in pitty

89 civic hatchback auto 140k
33mpgs soon to be low to mid 40's
been in the family since mile 1

85 300d with unknown knock. driven over 30k with knock and still going. sold for $800