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#11: 03-30-2011, 06:03 PM
 
 bnguyenbb6
Title: Senior Monkey
Location: Texas
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Quote:
Originally Posted by SeeeeeYa View Post
"Thermal mass" is the reason. In daily driving that thermal mass does just that... absorbs a large mass of thermal energy. That heat, largely from the engine, is both larger and lasts longer in the HEAVY aftermarket TMICs.

The single most significant power-related "benefit" of most aftermarket TMICs is the fact they have less internal resistance. That, to me anyway, signals a loss in efficiency as well.

Not to mention raising your center of gravity with a ton of aluminum up high.

I've done both. Read the NASIOC thread.
I've gone way past stage 2 but for the sake of discussion...how is less resistence/freer flow bad?