http://www.gripmotorsports.com/pi~pn..._kit-3025.html
What is a Ground Kit? The Grip Ground Wire Kit is made up of large stereo quality 4 Gauge high conductive copper cable (100% Oxygen Free) that has industrial crimped and sleeved 24k gold plated ends (will not rust like other metals) to bolt to the chassis of the car. Copper wire is used to produce the highest conductivity rate. Grip Ground kits will typically replace many of the major factory ground wires (as small as 12 gauge) with a much larger ground wires and even create some new ground points that the manufacturer left out due to production cost.
What does a Ground Kit do? As tested by numerous respected tuners, magazines, and shops, a ground kit does what you want, add power. Results vary depending on car but here are the average results:

• 3-5 Horsepower increase
• Increased Fuel Mileage
• Better Electrical Current (Headlights Brighter, Stereo stronger, etc.)
• Dress' up your engine bay!

Why buy a Grip Ground Kit compared to others? They use a loop system designed specifically for the greatest power. Meaning it starts at the negative terminal and goes from one spot to the next in series. Connecting to all major conducting pieces of the car, IE: throttle body, engine block, fender, transmission, and etc. The Grip Ground Kit uses a TRUE 4 Gauge Copper wire where others use a smaller 8 gauge and charge more. Grip Ground Kit are oxygen free meaning perfect electrical current. The Grip Ground Kits are available in 4 colors to match your cars style where some only come in 1 or 2 colors.
The best advantage of a Grip Ground Kit is simply the price, presentation, and purpose. Less expensive then the competition. You have the absolute best quality made ground kit possible, and produces more efficient power then others.


Grip 4 Gauge Universal Ground Wire Kit for Mercedes SLK320