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I was searchin online, and i ran into grounding kits for the Tc, its supposed to reduce electrical resistance which brings on horsepower gains.... anyone know if this really works? Ebay has 1 for 30$ everywhere else is like 100$ and up... haha someoen fill me in Ebay Link
 

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I had something similar on my Civic SI, it did improve throttle response and the headlights didn't dim at night when running other accessories. I made mine with 8-gauge speaker wire seemed to work pretty well. For what they do I wouldn’t spend $100.00 bucks on them.
 
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