Given that I experienced about a 3% gain from going to a 3" intake tube on the Malibu I had I'll likely just go 3"... It'll save me about $1.50 all together on the silicone couplers too... I'll try and get enough exhaust tubing to make two pipes, one to use plain and one to add the water vapor venturis to... I might be able to ABA test a mod for once!
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My current Ecotec project...
My last Ecotec project...
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