How much HP do shorty headers add to a 5.7 HEMI and what do they cost?

From torque gains to everyday drivability, shorty headers promise a lot for the 5.7 HEMI. Here's why this simple mod keeps ...
Hot Rod

Where to Get Big-Block Mopar Headers and How to Install Them

A few years ago while building our 1968 Plymouth Valiant project car, we decided to swap in a big-block Mopar engine based on a low-deck 383/400 B-series big-block wedge. The big-block Chrysler was ...
Hot Rod

New! Patriot Tri-Y Headers for Small-Block Fords

As equipped on Street Rodder's 1932 Ford 2018 Road Tour truck Patriot Exhaust Products recently introduced a new Tri-Y design header specifically designed to fit small-block Ford V8 engines, tuck very ...
GM Authority

Engine Masters Compares Cast-Iron Manifolds To Mid-Length And Long-Tube Headers: Video

On a previous episode of Engine Masters, we watched David Freiburger (of Roadkill fame) and his crew run a comparison test between differently sized headers of the same long-tube variety. This time, ...