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Old 03-04-2011, 08:43 PM   #77
ElectricAL
Focus Addict
 
Join Date: Dec 2009
Fan#: 71376
Location: Minneapolis, MN
What I Drive: 2005 Silver ST

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Quote:
Originally Posted by oblivion2kx View Post
5 horse power is alot

You figure the best cold air intake will get you at most 10hp at a price of $250 so thats $25 per 1 hp VS the copper plugs which gives you $2.5 per 1 hp .. that's 10 times more bang for the buck

Its a no-brainer.

I can show you a dyno of your wallet before and after copper plugs vs cai
While 5 HP may be a lot to you, it is not to me. Sure, get the AR103s if you want the most power out of the engine (although for a significantly shorter life of the plug) but just don't go thinking that 5 HP is a lot. Unless if you're goofy.
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