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Boost Guage Installation

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Wanting to install a boost guage to my r32 gts4. just want to know the best place to tap the vac line in. I've searched the forums and found installations but they seem to tap into a factory boost module on the firewall which I do not have. Any ideas?

Cheers steve

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you should have a vacuum line running into your intake manifold somewhere near the back driver corner of your engine bay its a small hose. Just a question you mentioned your car is gts4 is it turbo? or do you mean gtst?

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All sorted. I found a plug behind the intake manifold which i guess is an unused vacuum port. Turns out the Speco gauge kit I bought has an adapter that fits! So no tapping into anything, the boost gauge has a dedicated vac port. I ended up mounting the gauge to the RH air vent. I removed the complete vent and cut out the inner fins. The 52mm gauge popped straight in nice and firm. Now the gauge swivels just like the air vent did. Really good kit considering the price.

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