Sentra Exhaust

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Popular Exhaust Brands:

• MAGNAFLOW
• BORLA
• SKUNK 2
• PACESETTER
• INJEN
• DC SPORTS
• STILLEN

How Exhaust Works

The exhaust system is basically a long funnel to expel spent gases from the combustion process. The gases dump from individual cylinders into the exhaust manifold. On cars with a V-type or boxer engine, there are two manifolds, one on either side of the engine block. Inline engines have only one manifold. The manifold's snakelike tubes collect the gases and, on newer cars, send them down a pipe (or two if it's a dual exhaust) and into the catalytic converters. The catalytic converter is a major component responsible for reducing emissions. At the front half of the cat is a reduction catalyst which uses platinum and rhodium to remove NOx emissions. In the second half, the cat burns carbon monoxide and hydrocarbons. The result…Up to 90 percent of these damaging gases never reach the sky. But cats won't scavenge this stuff until they reach operating temperature. So automakers mount them as close to the exhaust manifold as possible to capture engine heat

quickly.

After the cat, the exhaust travels on to the resonators and mufflers to cancel sound. Without mufflers, your car would be as loud as a Sprint Cup Car. Cat-back systems often include new middle pipes, resonators and mufflers —and are often less restrictive (less backpressure) so they can build more power and make better noises, too.

Sentra Exhaust