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Old 01-02-2019, 12:22 AM   #2 (permalink)
Master EcoModder
Join Date: Jun 2016
Location: WV
Posts: 1,165

IGL - '04 Saturn Ion
Team Saturn
90 day: 56.19 mpg (US)

grayOS (personal use) - '19 Mitsubishi Outlander Sport ES
90 day: 30.71 mpg (US)
Thanks: 55
Thanked 282 Times in 218 Posts
Looking good man! Just curious, but why add the OEM cat back on? Wouldn’t the exhaust restrictions make the engine less efficient?
My current Ecotec project...

My last Ecotec project...
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