All Phelps & Williams exhausts come with a guarantee for your peace of mind.
The exhaust provides the only means of clear the fumes produced by your vehicles engine. If an exhaust is not functioning properly, it can lead to fumes leaking into your vehicles cabin and a loss in fuel consumption.
Therefore it could be harmful to your health and be costing you more money to run your car.
Exhaust system components are designed for a specific engine. The pipe diameter, component length, catalytic converter size, muffler size, and exhaust manifold design are engineered to provide proper exhaust flow, silencing, and emission levels on a particular engine.