Exhaust Systems
- 2.0L Exhaust Pipe Up Pipe 03-14 Subaru Impreza 05-09 Subaru LegacySpecial Price $65.32 Regular Price $78.34
- Exhaust Flange Flex Pipe Stainless Steel Silver 00-06 Audi TT 11-14 Chrysler 200Special Price $33.32 Regular Price $39.96
- 2.5" Inch OD 5' Feet Long Straight Exhaust Pipe 90-99 Subaru Legacy 93-07 Subaru Impreza Stainless SteelSpecial Price $61.89 Regular Price $74.22
- T-304 Exhaust Headers Manifold For 02-14 Subaru Impreza 05-09 Subaru LegacySpecial Price $127.81 Regular Price $257.66
- Exhaust Header Stainless Steel Manifold For 11-16 Scion tC 06-17 Toyota RAV4Special Price $115.59 Regular Price $148.19
- Stainless Manifold Header With Front Pipe For 98-08 Subaru Forester 93-07 Subaru ImprezaSpecial Price $109.16 Regular Price $212.91
- Racing Header Exhaust Manifold Stainless Steel For 99-00 BMW 323i 97-01 BMW Z3Special Price $110.59 Regular Price $231.05
- 2002-2006 Nissan Altima Exhaust Header T-304 Stainless Steel ManifoldSpecial Price $129.21 Regular Price $223.43
- Exhaust Manifold Racing Header For 1993-1997 Ford Probe Mazda MX-6Special Price $165.99 Regular Price $339.44
- Exhaust Manifold Header For 01-07 Ford Taurus 91 93-95 Jeep WranglerSpecial Price $145.19 Regular Price $297.39
- 2002-2007 Subaru Impreza Exhaust Manifold Racing HeaderSpecial Price $119.59 Regular Price $310.82
- Exhaust Manifold Racing Header For 00-04 Subaru Outback 64-65 67-68 70 Ford MustangSpecial Price $183.16 Regular Price $218.92
- 2002-2006 Nissan Altima Long Tube Exhaust Racing Headers Stainless SteelSpecial Price $165.27 Regular Price $285.58
- Racing Exhaust Header Manifold For 1990-1991 BMW 325i BMW 325isSpecial Price $128.99 Regular Price $289.37
- Manifold Header For 84-00 Jeep Cherokee 87-95 97-02 Jeep WranglerSpecial Price $109.66 Regular Price $271.14
- 2002-2006 Nissan Sentra Header Manifold ExhaustSpecial Price $89.99 Regular Price $233.03
- 1998-2005 Subaru Imprez Race Exhaust Header Manifold Stainless SteelSpecial Price $122.34 Regular Price $147.11
- Exhaust Racing Header For 1987-2005 Chevy Blazer 1982-2004 Chevy S10 4.3L 4-1 Stainless SteelSpecial Price $174.25 Regular Price $229.56
Exhaust systems are a crucial component of any vehicle's engine. They're responsible for removing harmful gases and fumes from the engine compartment and releasing them into the air. Without an effective exhaust system, a vehicle's performance can suffer, and it can even become hazardous to operate.
Functions of Exhaust Systems
Exhaust systems serve several essential functions, including:
- Removing harmful gases: The primary function of an exhaust system is to remove the harmful gases produced during combustion, such as carbon monoxide, nitrogen oxides, and hydrocarbons.
- Regulating engine noise: An exhaust system also helps to regulate the noise created by an engine, which can otherwise be loud and disruptive.
- Improving fuel efficiency: By improving engine performance, an effective exhaust system can improve a vehicle's fuel efficiency.
How to differentiate between headers and manifolds
Headers and manifolds are both components of an exhaust system, but they serve different purposes. Headers are typically aftermarket parts designed to replace factory exhaust manifolds and improve exhaust flow. Manifolds, on the other hand, are stock components that come with the vehicle from the manufacturer.
To differentiate between headers and manifolds, look for these key differences:
- Headers typically have individual tubes connecting to each cylinder, while manifolds have one or two large pipes connecting to the engine block.
- Headers usually have a smoother, more polished appearance than manifolds.
- Exhaust manifolds are constructed with average driving needs, underhood packaging, and lower production costs in mind. They feature short runners, typically of small diameter, which lead to a common chamber. This design ensures adequate gas velocity for daily driving but tends to be too restrictive for performance applications. Exhaust manifolds are made of cast iron.
- Headers are created to improve exhaust flow for more horsepower and torque. They have individual steel tubes for each of the engine’s exhaust ports, which merge into a single collector. The tubes are larger than stock, plus they are mandrel bent to create as little obstruction to the flow as possible
Components of a complete exhaust system
A complete exhaust system consists of several different components, including:
Exhaust manifold or headers: Collects exhaust gases from the engine and directs them toward the rest of the system.
Catalytic converter: Converts harmful gases into less harmful substances.
Exhaust pipes: Carry the exhaust gases from the engine to the back of the vehicle.
Muffler: Reduces noise levels by using baffles or chambers to absorb sound waves.
Exhaust tips: The visible part of the exhaust system that extends beyond the rear of the vehicle.
In summary, an exhaust system is a critical component of any vehicle, responsible for removing harmful gases, regulating engine noise, and improving fuel efficiency. When differentiating between headers and manifolds, look for differences in appearance and design. A complete exhaust system includes a manifold or headers, catalytic converter, exhaust pipes, muffler, and exhaust tips.