Honda Header Shootout

When it comes to performance, there is one steadfast rule: All the good air that goes into making horsepower must eventually find its way out. This means that adding all the cool camshafts, intake manifolds and even superchargers to help improve airflow into the motor will be useless (okay, maybe not useless, but certainly much less effective) if the motor is not able to rid itself of the exhaust. Cork up a serious performance motor and watch it struggle and gag on its own exhaust fumes.



Have you ever looked at another enthusiast’s ride and noticed something unique, yet very clever, that made the vehicle stand out or perform better and thought, “Why didn’t I think of that?” Well, we’ve done some of the homework, legwork and research to provide you with a similar advantage. We scoured the tuning shops and interrogated the pros to find out what tips they have done that our readers could apply to their own vehicles.


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.


When the Datsun 240Z was introduced at the end of 1969, car enthusiasts around the world took note. After all, here was a car that put many of the long-established sports car favorites into a tailspin, both on the street and in several racing venues.

The 2022 SEMA Show

The Specialty Equipment Market Association (SEMA) Show engulfs Fabulous Las Vegas annually. It brings together the biggest names in the automotive world to show off the latest and greatest, whether it’s new products, amazing custom builds, or the newest trends. TheAutoBuilder is excited to be in the thick of it all.

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