Does An Engine Need Back Pressure?

Does An Engine Need Back Pressure? Many car enthusiasts interpret exhaust pressure as exhaust backpressure, and according to many, this backpressure is essential for an engine to make peak power. Will no back pressure hurt my engine? As Jason explains, a restrictive exhaust flow that builds up back pressure is only hurting the power your

Does A Performance Muffler Make A Difference?

Does A Performance Muffler Make A Difference? Do mufflers increase horsepower? When talking about the muffler, understand that upgrading the cat-back system as a whole is really the only way you’ll experience any notable power gains. It doesn’t hurt to upgrade the muffler on its own, especially if it’s a rusted-out mess and you need

Is Exhaust Manifold The Same As Headers?

Is Exhaust Manifold The Same As Headers? Exhaust manifolds are typically made from thick cast-iron; headers are usually made from thin-walled stainless steel tubing. Exhaust manifolds feature short inlets (which may be of varying lengths); headers have long primary tubes of equal length. What is better headers or exhaust manifold? Why are headers are a