Smog-Legal Killer goes from a 2.5- to a 3-inch exhaust, and we upgrade the headers from 15⁄8 to 13⁄4 inches and add EPA-certified high-performance cats. It's an age-old question that's nearly ...
After we bolted the Lester Scruggs 404ci engine into our Orange Peel '66 Chevelle using Edelbrock motor mounts and headers, it became obvious that the leftover 21/2-inch exhaust system was due for an ...
A lot of us here at OFF-ROAD first started driving in the early '90s, a time when most half-ton trucks weren't available with much more than 230 hp (and got terrible fuel economy). Today, numbers like ...
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