i recently just bought a ground wire voltage and stabilizer on ebay for my gsr for $24 well came out to 50, 25 for shipping. it says ill get a 5-8 hp gain...true or false? and does it really do everything it say like this this stuff

Stabilizer:

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Ground Wire Kit:

• JDM style circular grounding system improved idle and drivability are often obtained as the additional grounding equalize resistance and voltage between various ground points.
• Direct ground path from battery negative to body, chassis and engine components, making for an extreme improvement in electrical circulation
• Strong up performance of ignition system
• Stabilizes the engine at high RPM's
• Smoother idling and improved starting
• Better fuel mileage with improved combustion
• Help prevent power loss and ensure top performance of ignition and other components
• Lower electric resistance and increase the effectiveness of the entire electrical system
• Gain instant horsepower 5-8HP