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Old 09-16-2016, 09:17 PM   #16 (permalink)
19bonestock88
Master EcoModder
 
Join Date: Jun 2016
Location: KY
Posts: 1,352

IGL - '04 Saturn Ion
Team Saturn
90 day: 56.19 mpg (US)
Thanks: 63
Thanked 366 Times in 269 Posts
So, I've come to a point, where I have to ask, what next? I've got wheel skirts, rear wheel spats, an air dam, belly pan, and max pressured tires...

I still need to tuck the exhaust in order to build a diffuser, and really should redo my belly pan for smoothness(and ease of oil changes)...

Will making a higher flowing exhaust system help mileage?

Changing from panel filter to cone filter? I've got a K&N sitting around meant for a Cobalt SS... Higher flowing intake tube as well?

Not deleting the functional A/C, even though I don't use it...

Maybe higher voltage coils and wider plug gap?
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