Hot rodders have known about the power of the Gen III/IV for quite some time, and it’s not news to anyone that they’re being dropped into just about everything. They’re so popular, in fact, that many ...

Now that we have a better understanding of why headers work, the question now becomes do they work in the presence of boost? To find out, we decided to run a series of tests by comparing headers ...

These SLP headers have 1-inch primaries that dump into a 3-inch collector. Made from stainless steel, they're advertised to produce an extra 23 hp and 21 lb-ft at the wheels. The set pictured has an ...

Chevy LS engines are among the most popular donor motors for DIY swaps in vehicles from vintage muscle cars and Jeeps to 1970s and '80s sports cars. The LS series' high power-to-weight ratio, ...

We compare Sikky headers and ISR headers for our R32 LS swap to see which provides the best performance and sound. This video covers fitment, driving impressions, and overall impact on the swap, ...