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Old 01-02-2019, 12:22 AM   #2 (permalink)
19bonestock88
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?
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