2004 BMW 330CI Exhaust - In Stock Filter Options - Vendor In Stock Filter Options

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Dinan Free Flow Stainless Exhaust Systems

Dinan offers a wide range of exhaust upgrades for imports like BMW, Audi, and Volkswagen. Their free flow stainless exhaust systems are precision-engineered for optimum power gains—with a civilized, sporty exhaust note that's appropriately aggressive at wide-open throttle. Plus, there's no irritating low-rpm "drone" that is common with so many other aftermarket mufflers. These free flow systems are manufactured from stainless steel, inside and out, for maximum resistance to corrosion and reduced weight (by 30 percent). They utilize the OE brackets and hangers for mounting in factory-like fashion. Order the Dinan free flow stainless exhaust system designed for your vehicle application.

4.0 out of 5 stars ( 4 )

$921.95

Vibrant Performance Exhaust Manifold Flanges

Vibrant Performance exhaust manifold flanges are available in stainless steel and mild steel for use in a wide range of applications. They feature optimized port sizing for use with your tubing or pipe. Vibrant Performance takes great pride in the quality of their products, so you can be assured that you're getting professional-grade fabrication components.

Not Yet Reviewed

$96.99

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$108.99

URO Parts Air Injection Pumps

URO Parts air injection pumps are designed to comply with all applicable air pollution regulations. Like all of their exhaust emissions components, they are carefully engineered to withstand the challenges of today's deteriorating traffic conditions. URO Parts air injection pumps are manufactured using only premium materials and components to survive high underhood temperatures, constant vibration, and high pressures. Built in the same factories as many much more expensive OE parts, URO Parts offers the same or better quality, durability, and reliability.

Not Yet Reviewed

$166.99

Clearance

PaceSetter Direct-Fit Manifold Catalytic Converters

Pacesetter direct fit manifold catalytic converters are custom-engineered to deliver maximum performance and efficiency from your engine. Designed for an easy installation, the units are manufactured from mandrel-bent, 16-gauge stainless steel, and use a stainless steel converter. They're available for many popular late model applications.

4.5 out of 5 stars ( 8 )

$486.99

$358.50

Dorman AIR Check Valves

These Dorman A.I.R check valves are direct replacements for your OE A.I.R check valve. Dorman has been an industry leader in producing quality replacement parts and continues to strive for excellence. When you're trying to get your vehicle back on the road, look no further than Dorman.

5.0 out of 5 stars ( 4 )

$100.99

Dorman Direct-Fit Manifold Catalytic Converters

Dorman direct-fit manifold catalytic converters bring several parts together in one package for a turnkey installation. These top-quality exhaust manifolds are joined to the cat, and most models include gaskets and downpipe hardware, as well. Constructed from cast iron or stainless steel tubing, the units resist warping, cracking and leaks—and all undergo thorough inspection to ensure quality performance. Dorman direct-fit replacements deliver ease and convenience to your exhaust system upgrade. The kits are available for hundreds of makes and models.

4.15 out of 5 stars ( 20 )

$520.99

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$599.99

MagnaFlow Direct-Fit Catalytic Converters

MagnaFlow direct-fit catalytic converters are designed for easy bolt-on installation for the professional installer. Welding, cutting, and tube-bending equipment are not required. These cats feature a ribbed body that minimizes expansion and distortion when the converters heat up. The ribs form a channel that protects the cushioning mat from direct exposure to exhaust gases, and they hold the ceramic catalyst in proper alignment. MagnaFlow converters use a monolithic honeycomb catalyst; the ceramic coating is designed for maximum flow and surface area, and the coating method is strictly controlled to maintain exact specifications. Improper coating could result in flow restrictions or an emissions test failure. These converters are designed to exact OE specifications and are available for the most popular vehicle makes and models.

4.07 out of 5 stars ( 425 )

$762.00

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$1,496.00

Rein Automotive Exhaust Nuts

Rein Automotive exhaust nuts are manufactured to strict engineering standards and specifications in materials and tolerances to ensure proper mounting and retention of exhaust components like a flange or turbocharger. Designed as direct-fit replacements, this quality OE-style hardware is identical to OEM for your specific model, ensuring proper fit and function. Rein's exhaust nuts are offered in individual piece counts for your repair and replacement requirements. Order the hardware for your application needs.

Not Yet Reviewed

$1.99

BRExhaust Direct-Fit Exhaust Systems

BRExhaust direct-fit exhaust systems take the guesswork out of replacing your system. Offering the same sound and reliability as the OEM exhaust, you will find all the gaskets and clamps needed to get the job done in the box. Precision mandrel bent pipes facilitate superior exhaust flow, and the multi-piece, bolt-on design ensures the exhaust system is easy to install and will fit perfectly to help get you back on the road in no time. No bending, welding, or cutting is required for installation. BRExhaust direct-fit replacement exhausts are manufactured from durable aluminized steel with a 2-year warranty or stainless steel with a limited lifetime warranty. Choose the system designed for your vehicle.

3.94 out of 5 stars ( 68 )

$1,102.00

Dorman Secondary Air Injection Pumps

The secondary air injection pump is an emissions control device used to heat the catalytic converter to optimal performance temperature. Dorman offers direct replacements which have been thoroughly tested for fit, function, and endurance. If your state requires the secondary air system to function properly to pass inspection, check out Dorman's selection for your vehicle to make the grade.

4.0 out of 5 stars ( 1 )

$302.99

Rein Automotive Exhaust Bushing and Sleeves

Fabricate your custom exhaust assembly with exhaust bushing and sleeves from Rein Automotive. These quality OEM-style components are designed to provide a tight and secure fit, preventing exhaust system vibrations and noise. Select the exhaust bushing and sleeves for your application needs.

Not Yet Reviewed

$5.99