Tubular header pipes are never as quiet as a cast-iron stock exhaust manifold. Though the sound is sweet music to some, a lot of guys don't appreciate the tinny ring of traditional tubes-and ...

Weight is a big one, as typically, cars use a separate cast iron exhaust manifold bolted to a head with a gasket in between. This integrated setup gets rid of that manifold, all the bolts ...

Several years ago, we did a test on the stock exhaust manifold on our then-new Dodge Dakota. The manifold looked great and held up well. We also detailed the cast iron exhaust manifolds on a '54 ...

Because car manufacturers balance cost, reliability, comfort, performance, and several other factors, exhaust manifolds are typically made from heavy cast iron material for strength and longevity.

All small- and big-block Chevrolet cast-iron cylinder heads that usedcast-iron exhaust manifolds did not use exhaust-manifold gaskets fromthe factory. Factory-exhaust head pipes utilized a sleeve ...

Below you’ll see just how much power the engine made with each setup: Log-style, cast-iron manifolds : 474.2 hp @ 5,700 rpm / 453.2 lb-ft of torque @ 5,400 rpm Mid-length headers ...

Thankfully, the compact design of Hedman's new LS Swap Cast Iron Exhaust Manifolds makes them ideal for a wide range of vehicles. The cast-iron construction is extremely durable and virtually ...

Even though most exhaust manifolds are made of cast iron or stainless steel, they are not indestructible. Over time, they can crack due to constant, extreme temperature fluctuations, leading to ...

The Tri-Y manifolds were engineered for optimal exhaust scavenging, helping the Max Wedge breathe more efficiently and ...