Finally, we added a cold-air intake setup ... of powering up the trusty Jeep 4.0L. See All 14 Photos See All 14 Photos 5. This photo shows the factory exhaust manifold next to the new JBA header.

Newcomer Racing (www.NewcomerRacing.com) built this stroker 4.0 for a customer in Florida who wanted big power for his Jeep Wrangler ... the aluminum Clifford intake manifold to fit perfectly.

Jeep, as the brand we know today ... with an in-house engine management and fuel injection system. The intake and exhaust manifolds were also redesigned, and a larger throttle body and higher ...