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Has anyone installed after market coil on plugs on thier Bullitts? If so which ones, and are you NA or poweradder.

Thanks
 

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accel and I'm n/a
 

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Feel the difference once installed...??? Wonder if there's really a power increase with these...
 

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there was a thread on this on either modulardepot.com or modularpowerhouse.com, i dont remember which one. there were some complaints on the gms ones, and i read that they aren't necessary until very high horsepower. the ford parts hold up fine.
 

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True, but the throttle response is quicker. Seems to idle smoother, which could just be due to one of the stockers going bad, but that was my justification. I got mine from jegs. I also attached to the COP's, the granitelli electrode and high temp boots. Got those from RPM outlet. ~$100 for those.
 
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