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Old 01-22-2018, 05:25 PM   #47 (permalink)
19bonestock88
Master EcoModder
 
Join Date: Jun 2016
Location: KY
Posts: 1,346

IGL - '04 Saturn Ion
Team Saturn
90 day: 56.19 mpg (US)
Thanks: 63
Thanked 364 Times in 268 Posts
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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me and my metro (01-22-2018)