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Exhaust

Free Horsepower Tips

If you’re in the planning stages of building your Chevrolet, or even if you have finished and are driving it, there are lots of free or inexpensive things you can do to make your Bow Tie faster and/or more efficient. This month, TheAutoBuilder gives you 25 of those ideas. Most of these free tips simply involve putting your car on a diet. Every 100 pounds of weight removed from your car equals dropping 1/10th of a second at the strip. Even though you may not be racing, the same theory applies to the street, and also to the extra weight you must lug around.

Zen and the Art of Building Headers

Dive into the world of header fabrication as we demystify the process and equip you with the knowledge and skills to create custom headers for your vehicle. Follow along step-by-step as we break down the intimidating task into manageable steps, offering valuable insights and practical advice along the way.

FOUR-IN-ONE

In the case of a new Honda Civic Si (EP3), this owner wanted to enhance high-rpm power. The K20 engine with the new i-VTEC 2-liter powerplant has considerably more torque available in the lower part of the power band in comparison to the older B- and H-series VTEC engines. While the EP3 used here is primarily a street-driven machine, the owner plans on taking the car to the weekend dragstrip on occasion.

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