To send the spent exhaust gasses rearward, a pair of stainless steel Tru-Ram ram's horn-style manifolds from Speedway ... to replace the stock 307 with an LS motor somewhere down the road as ...

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 ...