That's why this month we're bringing you Part 2 of our Official Guide to Corvette Headers. With the right header package (headers, downpipes, intermediate pipes, and catalytic converters, if ...

Next, we bolted on our Pace Setter shorty headers. With 112-inch primary tubing and such short tubing lengths, we had to wonder if there would be much of an improvement over the manifolds.

The headers can get extremely hot during a race, explains Steve Sousley, owner of Pro Fabrication, a custom header shop. That heat makes the tubing of the headers a lot easier to bend.

Read all about the tests of JBA's new Cobra Evol after-cat and headers kits as we deck out a 2003 Ford Mustang Cobra - 5.0 Mustang & Super Fords Magazine ...