We test a variety of header sizes and types from Hooker on a 427ci big-block Chevy to show power trends and performance advantages. Tests include 1 ¾-inch long tube, 1 7/8-inch long tube, 2-inch long ...
Like you, we've been eagerly awaiting hot rod parts for the exciting new Coyote 5.0-liter V-8 in the '11 Mustang GT. Just about every speed-parts manufacturer we know is busting long hours over the ...
Just how much power can Supersprint exhaust headers add to an S54-powered BMW Z3M Coupe? In this video, we install a full header system and head straight to the dyno to find out. 🎧 Plus: hear that ...
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