The idea that Harley-Davidson engines need exhaust backpressure to produce power is one of the most persistent beliefs in the motorcycle world. Riders who bolt on straight pipes often report a loss of ...

Learn how a 6.7 powerstroke delete kit with tuner and smart upgrades like a ccv delete 6.7 powerstroke can lower EGTs, prevent intake sludge, and improve diesel engine performance.

It was a red Lamborghini Countach, parked with its scissor doors open to let the sunlight in, what most probably sparked Alex's love for cars. Even though he was less than three years old when he saw ...

On this episode of Engine Masters, David Freiburger and company set out to determine if a 3-inch exhaust system will net a loss when compared to a 2.5-inch exhaust on a Chevrolet L98 V8 engine out of ...

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 main thing that separates hot street cars from race cars is mufflers. Heck, you've got blowers, injectors, roller cams, ported heads, and anything else you can name on street cars these days.

On the latest episode of Engine Masters (releasing August 14), it's the battle of the mufflers. The Steves (Dulcich and Brul) and Freiburger have a pile of $40 mufflers that they strapped to the back ...