Less than a year after launch, there is already a range of aftermarket exhaust options for the new Jeep Gladiator pickup truck from Borla Exhaust, and we're having a real tough time deciding which one ...

Escalating fuel costs, off-pavement reliability, and maximum performance each play out in today's four-wheeling scene. At this year's Easter Jeep Safari in Moab, Utah, unleaded regular hovered in the ...

If you own a 4.0L-powered Jeep, you've either had the exhaust manifold crack, or you're about to. Design flaws in the manifold almost guarantee failure at some point. One of our project Wranglers blew ...

These are the most common sizes and shapes of the XR-1 mufflers. The oval is the most popular for street cars because it doesn't hang down as far as the others and has more packing material. After all ...