air intake pipe diameters ph2 TS - Alfa Romeo Forum
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air intake pipe diameters ph2 TS


Does anyone know what diameter the opening is at the throttle body and at the air filter housing?

Basically i want to remove the resonator box (read somewhere it was worth doing) and have one section of after market pipe running from the air filter box to the trottle body and i'd like to order the right hose clips to fit, I'd measure but i'm away from the car for a few days but want to order sooner rather than later... not being lazy!
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I'm not 100% sure but 76 mm comes to mind.
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The pipe on my MAF has an O/D of 71.5 mm (lip) and about 70mm (lower down) this
part fits inside the flexible pipe so an I/D of about 71mm would be about right I guess.

(Have mine to hand - that's how I know )

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I replaced my resonator box with a 76mm aluminium pipe that is 150mm long! But that was just a straight swap using the existing rubber pipes from MAF then to throttle body!
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